What is the author's style in Bravo Two Zero by Andy McNab?

Andy McNab was a man dedicated to his military career. He loved the adventure and excitement that came along with his job and had a deep respect for his comrades. When he was given a job, he did it seriously, and was thorough in his training. This book is a summary of one specific mission called Bravo Two Zero. Andy and seven other men were sent to Iraq to destroy a landline and Scud. The mission was a failure for many reasons, and Andy learned what it was like to become a prisoner of war from first-hand experience.