Countdown: 4 Weeks. We’re counting down to the release the first book in my new children’s series. Each Thursday, I’ll bring out sketches, excerpts, and explanations of the adventure ahead.Yesterday, I revealed the cover for Byways, Book 1: On Your Marks. Today, I’m offering a peek at the story’s interior illustrations.

The digital versions of all the Byways books will feature color illustrations by cover artist Hannah Christenson. Little details from the story add a splash of color for reader...