This week in children's apps features Maximum Ride: The Ultimate Flight app, which lets fans of the series read excerpts, design a Maximum Ride book cover, and take quizzes about the books. Also this week is A Whale of a Tale!: All About Porpoises, Dolphins and Whales, which lets players learn about cetaceans with the Cat in the Hat as a guide.

Title: Maximum Ride: The Ultimate Flight

Publisher: Hachette Book Group

Release date: August 1, 2012

Price: Free

Background: The app for the Maximum Ride series includes excerpts from all eight books and quizzes about characters and storylines.

Features: Design your own Maximum Ride book cover

Title: A Whale of a Tale!: All About Porpoises, Dolphins and Whales

Publisher: Oceanhouse Media

Release date: August 15, 2012

Price: $3.99

Background: Players take to the high seas onboard Captain McElligot's Cetacean Station in search of whales, dolphins, and porpoises—those aquatic mammals known as cetaceans. With The Cat in the Hat as the underwater tour guide, players learn how cetaceans stay warm without hair, have teeth or baleen, swim in troops, spyhop, spin, and breach.

Features: Animated objects, instant glossary, interactive learning games. Custom background audio, tap on glossary words to learn the meaning.