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FYI, currently just free for those in the UK:

Operation Eichmann: The Truth about the Pursuit, Capture and Trial by Zvi Aharoni and Wilhelm Dietl (Amazon Main, Amazon UK)

Product Description
One of the most feared and hated Nazi leaders of World War II, Adolf Eichmann was responsible for the deaths of millions of Jews. When he disappeared after the war, the stage was set for one of the greatest manhunts in history. Zvi Aharoni, an agent for the Israeli Mossad and the man who tracked down Eichmann in Argentina in 1960, provides details only he can confirm. As the only person to interrogate Eichmann after his capture, Aharoni alone knows what Eichmann actually said, a subject seriously misrepresented in earlier accounts.

The Magical Maze: Seeing the World Through Mathematical Eyes by Ian Stewart (Amazon Main, Amazon UK)

Product Description
Welcome to the maze. A logical maze, a magical maze. A maze of the mind. The maze is mathematics. The mind is yours. Let's see what happens when we put them together.

What is mathematics? What do mathematicians do? What is a mathematician? Someone who does mathematics?

Not exactly. That's too easy an answer, and it creates too simple a maze—a circular loop of self-referential logic. No, a mathematician is more than just somebody who does mathematics. Think of it this way: what is a businessperson? Someone who does business? Yes, but not just that. A businessperson is someone who sees an opportunity for doing business where the rest of us see nothing; while we're complaining that there's no restaurant in the area, he or she is organizing a telephone pizza delivery service. Similarly, a mathematician is someone who sees opportunities for doing mathematics that the rest of us miss.

Demand Forecasting and Inventory Control: A Computer Aided Learning Approach by Colin D. Lewis (Amazon Main, Amazon UK)

Product Description
A practical, hands-on reference to the latest tools and techniques of demand forecasting

Presenting an up-to-date overview of demand forecasting, this comprehensive primer is an ideal resource for those who need in-depth information and hands-on training. Covering the latest developments in field techniques—and featuring software that includes helpful short-term forecasting models and inventory control scenarios—Demand Forecasting and Inventory Control includes complete details on:
Forecasting in stationary demand situations
Medium-term forecasting for growth and seasonality
Implementing the re-order level (ROL) policy
Using the Economic Order Quantity (EOQ) to establish replenishment quantity values
Interpreting service levels based on simple statistical concepts
Establishing the value of the review period and maximum stock level
Selecting the most appropriate inventory control policy
OPSCON—a computer-friendly learning package