Böcker av Robert Quackenbush

"Henry the Duck is always in trouble at school, whether he's in the middle of a huge pile of coats or sports equipment, or wing-deep in a mound of library books or trash cans, he's up to his feathers in a mess. Can he clean up his act?"--

"Sleuthing techniques reminiscent of Sherlock Holmes make Piet a first-rate detective...Piet's adventures should rally many fans."-ALA BooklistPiet (rhymes with neat) Potter, the amazing boy private eye, learns that someone has been tampering with the elevators in his building on New York's Upper East Side. It could be the same person who has been causing mischief in the neighborhood park. With his new friend Amy, who writes a newspaper for the tenants of the building, Piet sets to work on the case and uncovers some surprising evidence.