The "trenchcoat twins" learn to surf while on vacation in Southern California, but when a friend seems to have a few too many wipeouts, the twins search for a surfboard saboteur.

The twins have to find out who wants to stop their dog Clue from performing as a circus clown.

When the elephant came to town, Tad and Cissie went to the show like everyone else. Little did they know it would change their lives for ever. Because of the elephant, Tad and Cissie get involved in a chase across America, by train, by flatboat, and steam boat. Close behind is HannibalJackson, who is determined to have the elephant for himself. And how do you hide a large Indian elephant?BLThis book was the winner of the Whitbread Children's Novel Award and the Smarties Prize. Gillian Cross has also won the Carnegie Medal and is a highly-acclaimed author.

After being invited to the Princess Ball, the girls find out that Princess Glorianna has been kidnapped. Can Mary-Kate and Ashley find her before the kidnappers get their ransom -- and get away with the princess?

Mary-Kate and Ashley are selected to be on their favorite TV game show.

Detectives Mary-Kate and Ashley score an invitation to the movie awards in Hollywood only to find out that one of the statues has been stolen, and they must find the thief before the show is cancelled.

Clue, the basset hound, disappears from the cabin, and it is up to the girls to find her.