I have a thing for “Was Shakespeare real?” non-fiction (I use the term lightly; it’s all speculative, and, for the record, I think Shakespeare was a real, actual person who was an incredibly rare human.)

Asquith, ClaireShadowplay: The Hidden Belief and Coded Politics of William Shakespeare
Bourdain, AnthonyKitchen Confidential
Brown, Adrienne MareeEmergent Strategy: Shaping Change, Changing Worlds
DiAngelo, RobinWhite Fragility: Why It’s So Hard for White People to Talk About Racism
Fey, TinaBossypants
Fields, BertramPlayers: The Mysterious Identity of William Shakespeare
Immerwahr, DanielHow to Hide an Empire: A History of the Greater United States
Kamp, DavidThe United States of Arugula: The sun Dried, Cold Pressed, Dark Roasted, Extra Virgin Story of the American Food Revolution
Kendi, Ibram X.How to Be An Antiracist 
Lencioni, PatrickThe Advantage: Why Organizational Health Trumps Everything Else in Business
Leonard, Kelly and Tom YortonYes-And: How Improvisation Reverses “No, But” Thinking and Improves Creativity and Collaboration: Lessons from The Second City
McCallum, WilliamHow To Give Up Plastic: A Guide to Changing the World, One Plastic Bottle at a Time
Pathak, Jay and Dave RunyonThe Art of Neighboring: Building Genuine Relationships Right Outside Your Door
Pollan, MichaelIn Defense of Food: An Eater’s Manifesto
Rogers, Mary BethCold Anger: A Story of Faith and Power Politics
Siddell, Rebecca1666: Plague, War and Hellfire
Steinke, Peter L.Uproar: Calm Leadership in Anxious Times
Sterling, Simon AndrewWho Killed William Shakespeare?: The Murderer, the Motive, the Means.
Sutton, Matthew J.American Apocalypse: A History of Modern Evangelicalism
Ursic, ElizabethWomen, Ritual and Power: Placing Female Imagery of God in Christian Worship
Vallance, EdwardThe Glorious Revolution: 1688: Britain’s Fight for Liberty
Weis, ReneShakespeare Unbound: Decoding a Hidden Life
Woodruff, PaulThe Ajax Dilemma: Justice, Fairness and Rewards
Worden, BlairThe English Civil Wars: 1640-1660