Lucy Callahan was struck by lightning. She doesn't remember it, but it changed her life forever. The zap gave her genius-level math skills, and ever since, Lucy has been homeschooled. Now, at 12 years old, she's technically ready for college. She just has to pass 1 more test--middle school! ...

Flames race toward Sam Castine's summer camp as evacuation buses are loading, but Sam runs back to get his phone. Suddenly, a flash of heat blasts him as pine trees explode. Now a wall of fire separates Sam from his bus, and there's only one thing to do: Run for his life. Run or die. Lungs burning,...