Jack and Annie travel in their Magic Tree House back to a Hawaiian island of long ago where they make friends, learn how to surf, and encounter a tsunami.

"Alexis, a 12-year-old native Hawaiian, is terrified of the ocean and the creatures that live there because of an encounter she had early in her life with a moray eel. Her mother, a civilian contractor for the Navy, likes to give Alexis elaborate puzzles to solve when she's away on assignments. One puzzle gets her working for her grumpy neighbor, who everyone calls Uncle Tanaka, helping him gather marine samples. She has to use all her problem-solving...

It's the spring semester, and Airi Sano is on top of the world! Her grades are up, she has real friends at her side, and she's joined the school play. She's even keeping out of trouble and toning down the pranks! But when the play falls victim to some truly awful pranks, everyone immediately suspects that Airi is behind them. As suspicion mounts, it's up to her to solve the mystery and clear her own name before the imposter strikes again. Sounds like...