Araminta enlists the help of several ghosts in an attempt to stop her Aunt Tabby from selling Spook House.

Iggy is delighted when Ada Twist's Aunt Bernice inherits a mansion featuring his favorite architectural periods, but unless the Questioneers can find its missing antiques, the house may be lost forever. Includes information about Art Deco and Art Nouveau, facts about unusual cats, a recipe for ice cream, and a biographical note on Ida B. Wells.

With the help of the ghost Edmund, Araminta and Wanda survive a trip through a secret tunnel to bring back a present for Sir Horace's birthday.

Stu and his friend Dan are hiking in the forest when a rainstorm leads them to seek shelter in a haunted hunting cabin, which suddenly bursts into flames in the middle of the night. The boys escape with their lives, but when Stu returns in the day he finds the cabin apparently untouched by fire, but in the possession of a ghost that clearly does not want company.

"It's time for the annual pet fair and the twins have been hard at work teaching their dog, Max, some new tricks. But on their way to the fairgrounds, they're offered not one, but two intriguing cases. Pets from the pet show have gone missing and their guardians are blaming each other for the disappearances. Meanwhile, Lark and Connor's frenemy, Sophie, thinks her house might be haunted and refuses to go inside. The twins split up to solve the mysteries,...