Buku yang Dikarang by Norvin Pallas

The Secret of Thunder Mountain

Calculator Puzzles, Tricks and Games

The Counterfeit Mystery

The Singing Trees Mystery (Ted Wilford #4)

The Empty House Mystery

The S.S. Shamrock Mystery

The Greenhouse Mystery

The Star Reporter Mystery

The Scarecrow Mystery (Ted Wilford #8)

The Abandoned Mine Mystery (Ted Wilford #13)

The Stolen Plans Mystery

The Baseball Mystery (Ted Wilford 11)

The Locked Safe Mystery

The Missing Witness Mystery

The Mystery of Rainbow Gulch (Ted Wilford 12)

The Big Cat Mystery