There are many criticisms of Guns, Germs and Steel. This summary outlines, in hopefully a fair and balanced way, the key criticisms and responses to it.
In Guns, Germs and Steel, Diamond sets out to answer a question posed by one of his New Guinean friends: why did human development proceed at such different rates on different continents? This is a detailed summary of the 20th anniversary edition of the book published in 2017.
Destined for War is about the dynamic that arises when a rising power (China) threatens the existing ruling power (America). Allison looks back at examples of similar past dynamics starting with Athens and Sparta, and suggests ways in which we can learn from history and hopefully avoid war.
The main thrust of Political Tribes is that group identities based on things like ethnicity, religion and skin color are very important but the US has often failed to recognise this in its foreign policy.