Bøker utgitt av Random House Children's Books

The Aldens start a helper service with their new friend,Beth, to raise money for the Greenfield Hospital! But Beth keeps disappearing when it's time to help. Then someone tears down their signs and lets the air out of their bike tires. Who would want to sabotage their fund-raiser?

Now vacationing with their grandfather in the South Seas, Henry, Jessie, Violet, and Benny are supposed to be on an uninhabited island. But they soon suspect someone else is there too, someone who may not want them around.