Gertrude, Gumshoe Cozy Mystery Boxed Set: Books 1–3

Gertrude, Gumshoe Cozy Mystery Boxed Set: : Books 4–6

Gertrude, Gumshoe: S'more Murder

Gertrude, Gumshoe: Murder at the Thrift Store

Gertrude, Gumshoe: Slam Is Murder

Introducing Gertrude, Gumshoe

Gertrude, Gumshoe: Gunslinger City

Gertrude, Gumshoe and the Clearwater Curse

Gertrude, Gumshoe and the VardSale Villain

Gertrude, Gumshoe: Haunted Hotel