There are so many freely available books in Theravada that the problem is deciding on which I should be reading first
Ha, yeah... and even once you finish some there still so many more to go!...
It's good, isn't it?
"Do not force others, including children, by any means whatsoever, to adopt your views, whether by authority, threat, money, propaganda, or even education." - Ven. Thich Nhat Hanh
"The uprooting of identity is seen by the noble ones as pleasurable; but this contradicts what the whole world sees." (Snp 3.12)
“One to whom it might occur, ‘I’m a woman’ or ‘I’m a man’. Or ‘I’m anything at all’— Is fit for Mara to address.” (SN 5.2)