Bowser is a mutt, just adopted by eleven-year-old Birdie Gaux and her grandmother, but when they all get home to Grammy's bait and tackle shop in the bayou they discover that their prize stuffed marlin has been stolen--so Bowser decides to investigate, and things quickly become complicated and dangerous.

"Stick Dog and his friends must execute a master plan for stealing hot dogs"--Provided by publisher.

One day, Mac (smartest boy in his class in a small town in California) receives a telephone call from the Queen of England, recruiting him to find the crown jewels (well, actually just the Coronation Spoon) and so Mac embarks on his first adventure as a secret agent--with the assurance that the Queen will give him a note excusing him from school.

Birdie Gaux's dog, Bowser, considers himself in charge of security at 19 Gentilly Lane, so when the house is broken into Bowser wants to find the man with the limeade aftershave (and the cat) responsible--but nobody seems to know what the culprits were looking for, or why a strange girl is asking questions about Birdie's father, a policeman who was killed in the line of duty years before Bowser was adopted.

Elodie and her companions return to her home island of Lahnt, where the theft of a protective statue has threatened the island with a deadly volcanic eruption.

"Beast has been robbed! And so has the whole village. Without tools the villagers can't put on their legendary Winter Party, so Beast sets off to solve the mystery. Discovering that a stranded Snow Beast is behind the robbery, Beast has to decide whether to help this odd-looking stranger." --Amazon.

When eight-year-old Nancy is invited to a sleepover party with a dolls theme, the host's doll goes missing and Nancy tries to solve her first case.

Barbie and her friends become secret agents who help find a gem thief.

After Aline steals from her mother when her mother tells her she has no money to spare for a charity drive at Aline's school, Aline feels guilty, but discovers that confessing could lead to all sorts of other complications.

The Alden children set out to solve the mystery of who is trying to steal Mama Tova's secret cupcake recipe.