Book 1

January 15th, 2015
English
Hardcover

Book 2

January 13th, 2016
English
Kindle

Book 3

January 1st, 2017
English
Hardcover

Book 4

August 9th, 2018
English
Hardcover

Book 1-2

June 24th, 2020
English
Hardcover

Book 3-4

September 16th, 2020
English
Hardcover