Book 1

First Stop, New York

by Tracey West and Katherine Noll

Published 12 June 2008
While singer/actor sisters Aly & AJ are in New York City rehearsing for their tour, they visit the brand-new Girls Rock Academy and help track down the person who stole all of the school's equipment the day before its grand opening.

Book 2

Mayhem in Miami

by Tracey West and Katherine Noll

Published 12 June 2008

Book 3

Singing in Seattle

by Tracey West and Katherine Noll

Published 4 September 2008
In Seattle to judge a young songwriters competition and perform one of the winner's songs in concert, Aly & AJ also try to learn who stole a promising contestant's notebook of lyrics at the start of the competition.

Book 4

Nashville Nights

by Tracey West and Katherine Noll

Published 2 October 2008
In Nashville for the next stop on their concert tour, Aly and AJ meet the Walker Sisters, who ask them to be in a video, but when the digital files of the video are stolen, Aly and AJ must find the thief to clear their own names.