Jack and Annie are off on another Merlin Mission. This time, Merlin has sent them to rescue a beautiful magical creature—the unicorn. But when they land in New York City during the Depression of the 1930s, Jack and Annie are confused. Where will they find a unicorn in a big city?

Audio can be found

A Crazy Day with Cobras

The New York Times bestselling Magic Tree House series is back!
But with the magic tree house comes terrible news: Merlin's beloved penguin, Penny, has been put under a spell! Jack and Annie must find four things to break the spell. The first is a rare and precious emerald. When the magic tree house whisks them back to India over four hundred years ago to search for the jewel, they discover an amazing and exotic world filled with great danger.
Will Jack and Annie find what they're looking for? Will they avoid the wrath of the all-powerful Great Mogul, survive a crazy ride on a wild elephant, escape an attack by king cobras--and make it back to the magic tree house alive?

Dear Corinne, Tell Somebody! Love, Annie - A Book About Secrets

Corinne has changed, and Annie, her best friend, is alarmed. Corinne has become withdrawn. She doesn't visit Annie anymore, and she doesn't want Annie to visit her. She doesn't even want to talk. What has happened? Frustrated by her friend's reluctance to communicate, Annie begins to send Corinne letters. "Dear Corinne," she writes, "you're hiding somewhere inside yourself, and I can't find you. . . . I'm sorry, because I'm your friend, and I love you anyhow." 

Celebrity Shopper

Personal shopper Annie Valentine has hit the big time, in Carmen's most fun, flirty, fashion-packed novel yet!
Personal shopper Annie Valentine is presenting a popular TV fashion series. But with success comes pressure: is she at risk of being replaced?
To guarantee one unforgettable TV episode, Annie must whisk the crew off to Paris for a glamorous catwalk show. Will she impress Europe's Most Stylish?

A Good Night for Ghosts

Jack and Annie are on their second mission to find—and inspire—artists to bring happiness to millions. After traveling to New Orleans, Jack and Annie come head to head with some real ghosts, as well as discover the world of jazz when they meet a young Louis Armstrong!