"Nothing can save Alex Sennefer's life. That's what the doctors say, but his mom knows it's not true. She knows that the Lost Spells of the Egyptian Book of the Dead can pull her son back from the brink. The problem? When she uses the spells, five Death Walkers are also brought back to life. An ancient evil has been unleashed. Long-dead mummies are awakening. New York City is overrun by scorpions. And worst of all for Alex, his mom and the Lost Spells...

Dolphins at daybreak: Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle. Ghost town at sundown: Their magic tree house takes Jack and Annie back to the Wild West, where they experience excitement and danger and try to solve a riddle. Lions at lunchtime: The magic tree house takes Jack and Annie to Africa where they meet up with wonderful...