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Cool, easy-to-use tool just right for beginners.
Devices: iPhone, iPod Touch, iPad
This product is no longer available
Fun brain games also teach the neuroscience behind them.
Devices: Android, Kindle Fire
Satisfying finale full of gods, giants, and fond farewells.
By Rick Riordan
Funny alphabet stories have some big words, mild dark side.
By Oliver Jeffers