The Apple Orchard Riddle (Mr. Tiffin's Classroom Series) by Margaret McNamara How Many Seeds in a Pumpkin? (Mr. Tiffin's Classroom Series) by Margaret McNamara A Poem in Your Pocket (Mr. Tiffin's Classroom Series) by Margaret McNamara The Dinosaur Expert by Margaret McNamara The Little Library by Margaret McNamara The Cookie Vote by Margaret McNamara