When a beloved poodle named Little Treasure is stolen, Cam Jansen uses her photographic memory to try to find the missing dog. Illustrations.

Twelve-year-old Jake Bannock cannot believe that his actor-father is dead and he is an orphan. Now all Jake has left is his father's wolflike dog, Jim Ugly. But is his father really dead? When Jake hears talk about a fortune in missing diamonds, he wonders if his father is hiding out somewhere. Jake feels sure that Jim Ugly has the nose to pick up his father's trail. But eyes are watching every move they make. Whom can Jake trust on his search for the truth about his father?

A gang of young sleuths and a trusty terrier put their noses to a bank robbers' trail Ellery Queen's young apprentice, Djuna, is preparing for an afternoon of fishing when a stranger leans out of his car window and asks for directions to Canada. A few minutes later, Djuna watches as the man's friends come running out of the local bank and into the getaway car, guns blazing, before taking off for the Canadian border. It is a mystery that could baffle even Djuna's famous boss, but with the help of a ferocious black Scottie named Champ and a few crime-solving friends, he will find the culprits. It will be the greatest adventure of his life. Ellery Queen is one of the world's finest detectives, but his adventures are nothing compared to the Ellery Queen Jr. Mystery Stories. Join Queen's apprentice, Djuna, and his trusty Scottie, Champ, on adventures filled with danger, suspense, and thrills. The Black Dog Mystery is the first book in the Ellery Queen Jr. Mystery Stories, but you may enjoy reading the series in any order.

Larry can't stop thinking about the growling dog in the alley. He already has three strays in his backyard. How can he afford to take care of another one? When his brother Paul points out a strange mark in the alley, Larry has a mystery to solve. What is the dog protecting? What is really going on in that dark alley?