Start with high-confidence historiography books, then narrow by subgenre or adjacent topics.
What Is History?
Edward Hallett Carr
The World
Simon Sebag Montefiore
Shattered Dreams, Infinite Hope
Brandon M. Terry
Silencing the Past
Michel-Rolph Trouillot
Dangerous Games
Margaret MacMillan
Clues, Myths, and the Historical Method
Carlo Ginzburg, John Tedeschi