Create Spine and Back Cover for Amazon Paperback (108 Pages, 5x8 Size)

I need assistance in creating a spine and back cover for my 108-page paperback book (5x8 size) to meet Amazon's publishing standards. The front cover is already designed, so this project involves: - Designing the correct spine based on the page count and dimensions. - Adding the provided text to the back cover. - Ensuring the final file is formatted correctly for seamless upload to Amazon. Note: I have previously worked with other freelancers, but the Amazon cover was not accepted due to formatting issues. It is crucial that the final file is fully compliant with Amazon's publishing requirements. Back Cover Text: A retired teacher wrote this 108-page survival manual for teachers to flourish and survive in the Blackboard Jungle! His experience as a Marine officer, teaching on the college level, serving as chair of his counseling department, and teaching at various levels—high school, middle school, and elementary school—gives him a unique opportunity to support teachers. He ended his career as a consultant for his school system, helping struggling teachers. After retirement, he subbed at fifteen different schools, including inner-city, suburban, private, and rural schools. What he found out will shock you! He includes twenty case studies of actual classroom events that ruined careers when teachers did not advocate for themselves, along with advice on how to navigate them in the 21st century.* The timeline is flexible but ideally within one to two weeks. I am open to hearing proposals from freelancers regarding their pricing.