My new (fourth) book in the kindle format

My new (fourth) book in the kindle format: https://www.amazon.com/Whos-Who-Secret-Service-Historys- https://www.amazon.com/Whos-Who-Secret-Service-Historys-ebook/dp/B07GCJSL8P/ref=tmm_kin_swatch_0?_encoding=UTF8&qid=1520593855&sr=1-4&dpID=41acqEktPDL&preST=_SY445_QL70_&dpSrc=detail