The Marvelous Land of Oz [Wizard of Oz #2]

In THE MARVELOUS LAND OF OZ, A little boy, Tip, escapes from his evil guardian, the witch Mombi, with the help of a walking wooden figure with a jack-o'-lantern head named Jack Pumpkinhead (brought to life with the magic Powder of Life Tip stole from Mombi), as well as a living Sawhorse (created from the same powder). Tip ends up on an adventure with the Scarecrow and Tin Woodman. Second book in the 'Wizard of Oz' series.