21st Century C: C Tips From the New School
Ben Klemens
Learning Scala: Practical Functional Programming for the JVM
Jason Swartz
Marx's General: The Revolutionary Life of Friedrich Engels
Tristram Hunt
Java 8 Lambdas: Pragmatic Functional Programming
Richard Warburton
PMP® Exam Practice Test and Study Guide, Ninth Edition
J. Leroy Ward, Pmp, Pgmp & Ginger Levin