Part of the Osprey series of books. The battles selected are, in the author's opinion, those that either were decisive victories, altered the course of a campaign, or had a long term impact through new technology, or had economic or political consequences.
This is partial text from the full article (usually with photos) at https://armorama.com/news/100-greatest-battles-by-angus-konstam--reviewed-by-dv-sand