31 books · Ages 6–10 · Chapter Books, Young Adult
Mary Pope Osborne's Magic Tree House is often the first chapter book series a child reads independently. Over sixty books, each combining a time-travel adventure with real historical or scientific content. The formula works because it's reliable: Jack and Annie go somewhere extraordinary, learn something real, and come home safely. That reliability is what builds reading confidence.

Start at the beginning: Dinosaurs Before Dark
This is a sequential series — each book builds on the last. Start with book 1.