The Mysteries of Gus, The Ghost-Face Dog

Mysteries is the fifth installment in the Gus the Ghost-Face Dog Series, following five cousins and their dogs as they experience adventures during their school vacations. From uncovering a secret passage to exploring a past from another time, to solving mysterious disappearances, the stories are filled with intrigue and excitement. Each adventure takes the children to different locations, including a Texas ranch, a fishing trip, and a cruise ship, keeping readers engaged with suspenseful moments throughout.