>>7 There's <https://tumbleweed.nu/lm-3/> <http://people.csail.mit.edu/bradley/cm5docs/nov06/ConnectionMachineModelCM-2TechnicalSummary.pdf> <https://web.archive.org/web/20050308214647/http://zane.brouhaha.com/~healyzh/_info_/its.primer>
Of course, those aren't textbooks, now that I reread the question.