Benny and his sister Penny know it's wrong to sneak into someone else's backyard, but their mysterious new neighbor - or is it a monster? - may be a thief. They go snooping and discover a lot about themselves - and a new friend! Best-selling children's artist Geoffrey Hayes enchants early readers with his charming and subtle storytelling. In this lively caper, the artist's small-scale ice take on a large-scale issue with enormous comics mastery.