Philip and the Case of the Mistaken Identity and Philip and the Baby

In Philip and the Baby, Philip resents the fact that a new baby is coming into his house. Will anything get Philip to love and accept his new baby sister before he drives his parents crazy with his behavior?

In Philip and the Case of Mistaken Identity, Philip and his best friend Emery, detectives on the trail, try to cope with a mystifying little girl who runs them a merry chase.