TY - BOOK AU - Gracian Baltasar TI - How to Use Your Enemies SN - 978-0-14-139827 U1 - 158.2 23 PY - 2015/// CY - UK PB - Penguin House N2 - How to Use Your Enemies is a book of maxims by a seventeenth-century Spanish priest by the name of Baltasar Gracián. The volume is just 54 pages long but, despite its small size, ended up being one of two books I got the most value from (and took the most notes from) this year ER -