Ricky's time at summer camp is ruined by taking care of his brother and the ghosts of a massacred tribe.

The legend of a buried treasure hangs over the Southern California house where Ricky vacations. Is it really a legend? Accidental Detectives Book 12

When Ricky and his friends and family forego a planned vacation to return to New York City to help an old friend, they become involved in a mystery which includes blackmail, arson, and lost love.

While visiting a ranch in Montana, Ricky finds God's presence comforting when his investigation of disappearing livestock puts his life in danger.

Postcard-perfect Hawaii proves to be anything but paradise when Ricky and the other Accidental Detectives stumble on an active volcano that threatens to destroy the hiding places of immigrants. What can the Accidental Detectives do to help--without being reduced to ash? (July)

A world list of books in the English language.

When his younger brother, who had come along on Ricky's class trip to New York City, suddenly disappears, Ricky and his classmates set out to find him.

As Ricky and his friends search for a treasure buried long ago by a tightwad business tycoon, Ricky sees how ugly--and dangerous--the depths of greed can become.