When Jilli and Jim see a big red structure being built next door, they imagine all kinds of frightening things before finding out the truth.

Jilli and Jim solve the mystery of the monster in their garden in the third book in the endearing new chapter book series by two-time Newbery Honor Book author Patricia Reilly Giff. It is time to plant a vegetable garden! Best friends Jilli and Jim must keep the bugs and slugs away.Then they can march in the Vegetable Parade at the end of the summer. But what is that HUGE monster plantgrowing in the middle of the garden?Will it eat their vegetables?Will...