
Call Sign Chaos
Call Sign Chaos (Penguin Random House) details the long career of four-star general and former Secretary of Defense Jim Mattis, highlighting his lifelong commitment to careful thought, study, and learning. This memoir follows Mattis’s journey in leadership from engaging in combat to negotiating strategic maneuvers with other military and political leaders and offers his advice for how to avoid continuing inconclusive wars by returning to a strong strategic foundation.

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November 2025
NASA’s new IMAP mission, London’s big data detective, AI challenges in the classroom.
