Bones and his parents got Grandpa a special present for his birthday. But by the time they all make it to the party, the gift is gone. How could it have disappeared so quickly? Will detective Jeffrey Bones be able to solve the mystery and sing â?Happy Birthdayâ? to Grandpa? Written by the author of the popular Cam Jansen books, this Easy-to-Read series is perfect for new readers. *School Library Journal on Bones and the Big Yellow Mystery #1