"Brothers and sisters Fiction." . . "Rescues Fiction." . . "Best friends Fiction." . . "Best friends Juvenile fiction." . . "Brothers and sisters Juvenile fiction." . . "Magic Fiction." . . . . . "Juvenile works"@en . . . . . . . . "Isaac Thompson and his friends, Max and Emma, go to Castle Elementary, which is a school in a creepy castle--but when Isaac's little sister Lily goes missing in the basement, things get positively dangerous, because the three friends discover that underground is a world inhabited by a human-sized bat, and an army of spear-wielding rats, and somehow Isaac and his friends must find Lily and get out alive."@en . . . . . . "Fiction"@en . . "Tales of a fifth-grade knight"@en . . "Rescues." . . "Brothers and sisters." . . "Friendship Fiction." . . "Magic." . . "Magic Juvenile fiction." . . "Best friends." . . "Rescues Juvenile fiction." . . . .