Arup Kumar Dutta's book: The Ahoms A Reimagined History is a stellar telling of the history of the Ahom dynasty.
Supangmung-Lachit Barphukan’s King
Lachit Barphukan would not have been able to achieve half of what he did without the support of Supangmung, the King of the Ahom dynasty at the time of the Mughal war.
Lachit Barphukan: The Lion of Saraighat
Lachit Barphukan took a weaker and smaller army and used it to defeat the behemoth that was the Mughal army.