ISBN-13: 9780367865177 / Angielski / Miękka / 2019 / 348 str.
ISBN-13: 9780367865177 / Angielski / Miękka / 2019 / 348 str.
This book explores the covert and clandestine world of informants - revealing the secrets of how to find them and make the most out of them, while at the same time, avoiding the pitfalls of dealing with them.