Reiss, Kathryn:
The silver Guitar : A Julie Mystery / Kathryn Reiss : American Girl Publishing, 2011. - 161 S.; ill. - (American Girl; .). - Julie gets involved in an auction to raise money for cleanup efforts after an oil spill threatens seabirds in the San Francisco Bay. She´s thrilled that a valuable silver guitar that belonged to a rock star will be sold at the auction! Then her friend T.J. turns up in trouble and makes a terrible confession. As Julie sets out to prove T.J.´s innocence, the guitar begins to reveal its secrets - and Julie realizes they may be in danger.
ISBN 978-1-59369-756-3