The toy the Bobbsey twins buy as a Valetine gift soon puts them on the trail of two men conducting a fraudulent antique business.

"Beware Four-winged Blackbird," is the warning that introduces the Bobbsey twins to mystery in Canada where they search for a missing friend.

When the Bobbsey twins ponder the perfect Christmas gift for Mother and Father, they decide upon Project Santa Claus.

Gerald tells of the very unusual animals he would add to the zoo, if he were in charge.

On holiday with friends, the Hardy boys check out the local haunted house. Deterred by screams and the dilapidated house, the group turn towards home. However,