The Hidden History of Oz an alternate Oz book series by Tarl Telford.
The book series is a prequel to The Wonderful Wizard of Oz and takes place before the Wizard arrived in Oz as it explores how he affects the Land of Oz. The series is seen through the view point of a teenaged Glinda and is similar to the Wicked series.
- The Witch Queens (July 11, 2012)
- Crown of the Dreamer (September 10, 2013)
- Emerald Spectacles (March 6th 2015)
- Tabby Abacus and the Dangerbread House (May 20th 2015)
- The Glinda Letters (November 27th 2015)
- First Nail: An Omby-Amby Adventure (e-book; December 5th 2015)
The series features a unqiue calandar system beginning in 1852 AD which in Oz is 1168 Ozy and considerbly 48 BDG which is "Before Dorothy Gale". This would be 48 years before 1900 to coincide with the publication of L. Frank Baum's first Oz book.
- The Official Site for The Hidden History of Oz