When their neighbor's baseball tickets disappear three days before the big game, Freddie and Flossie investigate the three most likely suspects.

When Huckle finds an old letter in a library book, he and his friends set out to deliver it.

Now available in a deluxe keepsake edition! A Time Best YA Book of All Time (2021) Run away to the Metropolitan Museum of Art with E. L. Konigsburg’s beloved

11 days. 13 clues. And one kid who won't give up. Smack Dab in the Middle of Maybe is "part treasure hunt, part wilderness adventure, and all heart" (Alan Gratz

Along the train lines north of New York City, twelve-year-old neighbors Myla and Peter search for the link between Myla’s necklace and the disappearance of Pe