Available on Kindle
A Spark Halloween Special
Spark and the Halloween Mix-Up
Costumes, curious clues, and one very puzzled little Spark. Watch the animated preview, explore four scenes, and read the complete Halloween special on Kindle.
Swipe or scroll to preview all four scenes →
Animated preview: Spark and the Halloween Mix-Up
Visual Bookshelf
Browse 14 Kindle books.
All 14 books shown below are available now on Kindle. Print editions may still be awaiting publication or revision.
Series Overview
Four story worlds.
Technology adventures, cozy meadow stories, emotionally grounded read-alouds, and everyday questions, all under one author home base.
Technology • AI • Curiosity
The Spark Series
Friendly stories that introduce computers, the internet, computer vision, choices, privacy, planning, and how robots learn.
Feelings • Friendship • Growth
The Quill Series
Warm meadow adventures about curiosity, courage, mistakes, friendship, and growing up.
Worry • Family • Comfort
The Worry Series
Gentle stories that help children recognize big feelings and give families a natural starting point for conversation.
Questions • Science • Discovery
Jordan Asks
Bright, approachable stories for children who want to know how the everyday world works.
About the Author
Adrian Cruz
Adrian Cruz is an independent children's book author creating warm, imaginative stories for young readers and families. His work ranges from playful introductions to technology and artificial intelligence to character-driven stories about friendship, confidence, emotions, worry, and growing up.
For Parents & Educators
Read the story. Keep the conversation going.
Whether the topic is technology, privacy, confidence, friendship, worry, or making a hard choice, these books are designed to give children a story first and a conversation worth continuing after the last page.