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Nerding Out on C.S. Lewis

September 02, 2025 by Karlissa Koop in Book Reviews

By Karlissa J

Clive Staples Lewis: many Christians have read at least a few of his books, we quote him without hesitation, and we value his writings for leading so many skeptics to accept Christianity. But how much do you actually know about “Jack,” as he preferred to be called?

In researching for To Narnia and Beyond, I discovered so much I hadn’t known or even expected. I collected books, read much, and then strived to select highlights for the Lewis chapters in To Narnia and Beyond.

But maybe you want more! Maybe you’re thinking: “I’m a nerd too, and I want to understand C.S. Lewis better!” If that’s the case, this blog post is for you: here are four books I recommend for nerdy readers wanting to learn more about Lewis!

Book One: GEORGE MACDONALD by C.S. Lewis

Let’s start with a book that Lewis wrote himself! In these 365 quotes from George MacDonald selected by C. S. Lewis, it becomes clearer how MacDonald influenced Lewis' spiritual beliefs. For me, it accomplished Lewis' stated goal: "to spread his [MacDonald's] religious teaching".

MacDonald's teachings in this book focus on subjects like nature, possessions, our relationship with Christ, and obedience to God.

I found it worth having a physical copy to write notes in: there are many insightful reflections worth recalling and meditating on.

Book Two: IMAGES OF SALVATION IN THE FICTION OF C.S. LEWIS by Clyde S. Kilby

A short, helpful aid to contemplating Lewis' fiction. Contains a brief overview of each of Lewis' novels (handy, since I have not read The Pilgrim's Regress and have no intention to), followed by several spiritual themes that can be drawn from the novel's story and characters.

Book Three: THE MEDIEVAL MIND OF C.S. LEWIS by Jason M. Baxter

Baxter invites us into some of C. S. Lewis' philosophies and creative choices by revealing the inspiration behind them: quotes and ideas from Lewis' favourite medieval books are paired with instances when Lewis modeled his writing after them. I felt drawn in to the 'magic' of these classics, as Baxter's writing style is very contemplative and welcoming.

Book Four: PLANET NARNIA by Michael Ward

Ward explores how ancient and Medieval astrology - particularly the concept of seven planetary personalities - shows up repeatedly throughout Lewis' writing. The core thesis is built around the Chronicles of Narnia, but there is plenty here diving into the Space Trilogy and Lewis' academic works and poetry as well.

Planet Narnia is at times quite technical, and one-quarter of the book is notes, bibliography, and indexes. This is the volume for nitty-gritty details, while Jason M. Baxter's The Medieval Mind of C.S. Lewis provides a more easy-reading introduction to the general topic of Medieval thinking and Medieval astrology/astronomy in Lewis' writing.

September 02, 2025 /Karlissa Koop
CS Lewis, classics, history, nerd stuff, books
Book Reviews
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Four Approaches to Writing Christian Fantasy

June 02, 2025 by Karlissa Koop in Reading and Writing

By Karlissa J

“If a writer’s aim be logical conviction, he must spare no logical pains… where his object is to move by suggestion, to cause to imagine… If there be music in my reader, I would gladly wake it.” George MacDonald, “The Fantastic Imagination”

 

Many people debate over whether The Lord of the Rings should be called a “Christian” book series. Tolkien himself once said his books were religious, but different people have different standards for applying the label “Christian” to a work of art; and The Lord of the Rings is subtle in its use of spiritual themes.

For some readers, the subtlety leaves them more open to learning from the books, and the lessons go deeper. Other readers, however, walk away unsure whether they learned anything, and completely unaware of Tolkien’s Christian faith.

Contrast that with the style of George MacDonald. MacDonald was a preacher, and when he told stories he didn’t stop preaching. His fantasy books and fairytales were also deeply symbolic, so in addition to surface-level teachings there are layers to discover upon rereading.

For some (like Lewis) this makes MacDonald’s fantasies rich, exciting, and memorable. Tolkien, however, came to resent them as being too preachy; and some modern readers will find MacDonald’s florid narrative style and layered symbolism hard to make sense of.

L'Engle’s Time Quartet books are an odd mix of openly Christian and bizarrely unconventional. Some readers are deeply moved and drawn to Jesus by these stories, while other readers come away critiquing her beliefs as unorthodox.

And then there’s Lewis. His Cosmic Trilogy alone is all over the place, from only subtly Christian (Out of the Silent Planet) to deeply theological (Perelandra) to focused on critiquing a particular philosophy (That Hideous Strength). His preachiness varies accordingly.

Which is better: to openly declare a Christian message? To subtly explore a Christian worldview in a tale of good versus evil? To fill a story with much teaching and instruction?

I believe all have their place, because there are a myriad of readers in different stages of their walk with God, coming from a variety of backgrounds, ages, reading skills, and learning styles.

In response to a question about how to include Christian messages in a fantasy book, current fantasy author Wayne Thomas Batson had this to say:

“Your allegory will always be too obvious for some and not enough for others. The big thing is, always respect the story itself. If the message within the allegory is precious and valuable, but the story built around it is superficial, it will fail. Tell a fantastic and meaningful story; respect the genre and the reader, and any allegory within will be that much more powerful.” {See Note}

Each of these four classic authors – George MacDonald, J.R.R. Tolkien, C.S. Lewis, and Madeleine L’Engle – had a different way of telling a fantasy story. I encourage you to try reading a book from all of them! Find out which author or authors you enjoy most and learn from best.

 

NOTE: quote from GoodReads author page for Wayne Thomas Batson: https://www.goodreads.com/author/33508.Wayne_Thomas_Batson/questions (accessed August 27, 2024)

June 02, 2025 /Karlissa Koop
Christian fantasy, classics, classic authors, CS Lewis, JRR Tolkien, George MacDonald, Madeleine L'Engle, writing, tips
Reading and Writing
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30 Episodes Later!

June 03, 2024 by Karlissa Koop in Thoughts on Fantasy

The Book-Bat podcast has reached 30 episodes, with the latest being a bonus episode announcing the release of Davy Jones’ Aquarium!

Jason and Karlissa have been discussing Christian fantasy books and the wider fantasy landscape, from maturity in fantasy, to why they love fantasy, and their favourite fantasy characters.

Karlissa taught Jason ten fun facts about classic authors CS Lewis, JRR Tolkien, and George MacDonald.

And Jason brought to the table some of his musings and questions. What are the pros and cons of the Christian fantasy market? Which is better: aspirational characters or relatable characters? Have we lost the magic of friendship stories?

Also: “Words matter, people!” What are Mary Sue characters, and where did that term come from?

Many conversations have been planned for the future, so be sure to subscribe to the Book-Bat podcast on Apple Podcasts (iTunes) or Spotify to follow along!

Do you have any topics, books, authors, or shows you’d like to hear discussed? Write a comment on this blog post, or on one of our podcast episodes, or email us at connect@book-bat.com! We’d love to hear from you!

June 03, 2024 /Karlissa Koop
podcast, fantasy genre, Christian fantasy, character development, books, fiction, classics, CS Lewis, George MacDonald, JRR Tolkien, Davy Jones' Aquarium
Thoughts on Fantasy
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Fantasy Books Part 2

March 30, 2023 by Karlissa Koop in Book Reviews, Thoughts on Fantasy

Written by Karlissa J.

Searching for a new fantasy book to read? For this week of highlighting fantasy titles, I’m going to recommend some of the classics! They’ve been published multiple times, with a variety of cover designs, so I came up with my own images for each - a little taste of what I found memorable in these stories!

 

Phantastes

By George MacDonald. An enchanted journey - through nature and village and palace - filled with delights and dangers, romance and tragedy, and above all, self-discovery. Beautiful, contemplative; I can see how this inspired future authors like C. S. Lewis. A journey to take more slowly.

 

Alice’s Adventures in Wonderland and Through the Looking-Glass

By Lewis Carroll. Rich with word plays, puns, and banter, there's more to these books than what exists in the popular imagination. I've never seen a retelling that features Alice's older sister; yet I'd argue the meaning and purpose of Alice's Adventures in Wonderland hinges on her. Alice herself is fun and quirky, and the short books are easy to read.

 

Out of the Silent Planet

By C.S. Lewis. The first book in his Cosmic Trilogy.

I have to admit, this is my kind of story! Exploring an enchanting world, interacting with non-human creatures, and discovering a new language and culture! Appropriately (or perhaps conveniently), the main character is a philogist (someone who studies languages); this provides an excuse for the language barrier to be rather smoothly crossed, and an excuse for Lewis to fixate on unique words and concepts.

Perhaps the lesser fame of this work is, in part, due to the fact that it's not for kids: unlike Narnia, it contains a spattering of mature content, nudity, and mild swearing; nothing obscene, but some Christian readers may find it unexpected.

 

Perelandra

By C.S. Lewis. The second book in his Cosmic Trilogy.

Perelandra contains the adventure and beautiful worldbuilding of Out of the Silent Planet, but this time, it takes a back seat to a myriad of philosophical musings: about the nature of temptation, the definition of gender, the Theory of Evolution, and even why you shouldn't fear bugs. There are a few bizarre plot choices, but C.S. Lewis' imagination and thoughtfulness shine through.

 

Till We Have Faces

By C.S. Lewis. It's hard to argue with those who call this C.S. Lewis' greatest novel. It feels like an ancient tale brought to life by someone who understood ancient literature and culture; and it contains Lewis' classical mix of masterful storytelling and spiritual musing. Orual is a compelling and complex protagonist. This is a mature story, not designed for a family audience.

March 30, 2023 /Karlissa Koop
fantasy genre, books, book review, classics, CS Lewis
Book Reviews, Thoughts on Fantasy
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