L. Frank Baum
The Marvelous Land of Oz is the second book in Baum's Oz series. The series chronicles the further adventures of Dorothy both in and out of Oz, as she deals with the characters, situations and desires which continue to spill over from her first fateful adventure.
4) Ozma of Oz
When a storm blows Dorothy to the land of Ev where lunches grow on trees, she meets the Scarecrow, the Tin Woodman, the Cowardly Lion, and Princess Ozma, and together they set out to free the Queen of Ev and her ten children.
Book 3 of L. Frank Baum's immortal OZ series, in which Dorothy and Billina, a talking Yellow Hen, help Princess Ozma rescue the royal family of Ev from the evil King of the Nomes.
Book 2 of L. Frank Baum's immortal OZ series, in which young Tip runs away from his guardian, the witch Mombi, taking with him Jack Pumpkinhead and the wooden Saw-Horse, and flees to the Emerald City where he learns the incredible secret of his past.
Dorothy tries to rescue the Tin Woodman and the Scarecrow from the giantess who has changed them into a tin owl and a teddy bear and is using them for playthings.
And Woot the Wanderer and the Scarecrow help the Tin Woodman find his old love, Nimmie Amee, suffering the ignominious enchantments of Mrs. Yoop's yookoohoo magic along the way.