L. Frank (Lyman Frank) Baum

Dorothy tries to rescue the Tin Woodman and Scarecrow from the giantess who has changed them into a tin owl and a teddy bear and is using them for playthings.

An earthquake drops Dorothy and her friend Zeb into the Vegetable Kingdom, a land of glass buildings, princesses that grow, and invisible people, where they encounter the Wizard of Oz and together seek the Emerald City.

Rob is an electrical experimenter whose father encourages him and sees that he "never lacked batteries, motors or supplies of any sort." A "net-work of wires soon ran throughout the house". He loses track of the elaborately interconnected wires, and trying to get a cardboard house to light up, he "experimented in a rather haphazard fashion, connecting this and that wire blindly and by guesswork, in the hope that he would strike the right combination."...

The Island of Yew is divided into five kingdoms, the central of which, Spor, is a place ravaged by crimes and robbers. One day, a young girl, Sesely, living in the nicer kingdom of Heg, is enjoying a picnic with some companions. A fairy comes down and begs them to help change her into a human. Sesely and her friends, amazed, obey her orders and soon they find themselves in the company of a young man, named Prince Marvel. Prince Marvel desires to go...

A young citizen of Oz who learns an important magic word falls prey to the wickedness of the Nomes' ex-king who wants to destroy Dorothy, the Wizard, and Princess Ozma.