"A talented young soccer player in Greenfield is given the honor of being a child mascot at an international soccer tournament in Brazil, but when an anonymous letter insists that she doesn't deserve to go, the Aldens investigate"--

The Alden children suspect someone of trying to sabotage the local dog show.

"The Thea Sisters are going to New Zealand! Their new friend Charlotte wants to show them the sights, and introduce them to Didi, a skeleton of a bird that went extinct many years ago. But when they get to the mouseum, Didi has gone missing! Can they find the stolen skeleton before it is too late?"--

"When pets go missing in Blue River Creek it is up to Ada to follow the scientific method by making a hypothesis, collecting data, and experimenting to find the missing animals"--OCLC.

Seventeen-year-old aspiring lawyer Lizzie Bennet seeks to solve a murder before her rival Mr. Darcy beats her to it.

In three separate stories, boy detective Saxby Smart exposes a comic book counterfeiter, restores a slandered dead man's good name, and uncovers a massive case of identity theft. As Saxby notes, "I don't have a sidekick, so that part I'm leaving up to you.

"Twins Ethan and Ella are in the Maasai Mara in Kenya, and there's another mystery to solve. Where are all the lions? Ethan and Ella spot lots of cool animals, but the one they're most excited about, they can't seem to find"--Provided by publisher.

"Lockwood & Co. are hired to investigate Edmund Bickerstaff, a Victorian doctor who reportedly tried to communicate with the dead, while Lucy is distracted by urgent whispers coming from the skull in a ghost jar"--

"No matter how dangerous his adventures have been, Art has always been able to count on his best friend, Camille. Now that Camille is meeting her estranged father, Art wants to be there for her--which means going to London. But Camille's history professor father, renowned for expertise in British legend, is missing. When they visit his apartment, Art and Camille find a long-missing object that suggests the professor could be in trouble and solving...

Moira Moriarty calls upon the clever Sherlock Holmes, her brother James's roommate at school, to help solve the mystery of her father's death, leading them to a secret sect, a rare jewel, and a friendship torn asunder.