Princess Ellie to the Rescue by Diana Kimpton

This is a fun princess story in the series of Pony-Crazed Princess. Princess Ellie finally gets to learn how to take care of her own pony when a new groom, Meg, is hired by the Royal family. The story is fun and has some mystery built into it. If you like this princess story, there are lots more books here at the library about Princess Ellie.

Cam Jansen the Mystery of the Gold Coins by David Adler

Cam and her friend Eric are at the school science fair when Cam's box camera comes up missing. As Cam and Eric head out on an adventure to capture the thief, they discover yet another crime. Some valuable gold coins are missing from the coin shop. This is a fun beginning mystery story.