Mary G Thompson

"After her parents split up, seven-year-old Lisa's father convinces her to leave out the window in the middle of the night. After all, according to their religion, she belongs to him, and it is her duty to obey him. Ever the dutiful daughter, at least on the outside, and confused about the sinful changes in her mother (she's cut her hair, there's a new man around, she's had a baby with him), Lisa complies. She spends the next nine years on the run...

Confined to a bed in his darkened room, sixth-grader Evan is slowly transforming into a Wuftoom--a large, worm-like creature that lives underground--but when he is offered a chance to join forces with their sworn enemies he must decide whether to give up everything he once loved.