With Leo's permission, I want to create a catch-all thread for Thai. Ask questions, tell us about your favorite YouTube channels/movies/series/books, resource recommendations/reviews, etc.
I'll start it off by listing my favorite resources. I started learning Thai using Becker's books and websites that are long gone, along with going to a language school in Thailand, so I don't have any great recommendations for books for beginners or on how to read.
My main method of studying these days is using the Language Reactor extension (formerly Language Learning with Netflix) with Thai subtitled videos on Netflix and YouTube. For those not familiar with it, it opens a window beside the video with line-by-line subtitles. You can click on individual lines to repeat them and there's a pop-up mouse-over dictionary. It has other features like saving vocabulary but I just use Anki for that. This has been an absolute game-changer for me and it works with most other languages too.
Thai Reference Grammar by Higbie and Thinsan is the best grammar book available.
100 Words That Make You Sound Thai and the sequel Another 100 Words... by Stephen Saad. He is a fluent foreigner and these books talk about his method and give tips along with the 100 Words (which is actually a few hundred because he gives example sentences, alternative similar words, etc.). These books are focused on colloquial speech and his descriptions are excellent. He has a beginner book also which is most likely very good as well.