Ruth Plumly Thompson, who was the author of Oz books after Baum died wrote booklets for Royal Baking Powder Company in the 1920s. This lot includes four of these booklets: The Comical Cruises of Captain Cooky 1926, Billy in Bunbury, The Prince of the Gelatin Isles 1926, The Little Gingerbread Man 1923. Printed by The Royal Baking Powder Company NY in the 1920s. Soft Cover. No Jackets. First Edition. 7" X 7" $200 - $400 Please contact us for high resolution images of this lot. Shipping: We are able to pack and ship this item to an address in the United States for $15.00 via USPS Priority Mail or USPS Media Mail. Tracking information will be sent to your email address. Each additional item of this size would cost $7.50. This price does not include insurance. If you require insurance you will need to ship through a third party. Please inquire about international shipping costs. Please note: books shipped internationally will cost substantially more to ship. Please email shipping@converseauctions.com if you have any questions. See More