Not in a day - one week 'Rapid' Read Thai course or get it done in a single weekend!
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Sorry, I forgot to add a link to my website: www.LearnThaiOnline.com. You can watch the video and learn 13 letters in ten minutes, sign up for a free 'Starter' course and try out the method for yourself.
You can follow the course online in your own time. It can be done in two half-days a week apart, but most people do it slowly: one page a day (15 mins) for two months.
Or if you're lazy, come to one of the Rapid Read Thai intensive workshops.
Upcoming Read Thai Workshops:
October 10-14, Chiang Mai - Mon-Fri 10am-3pm
October 22-23, Ko Samui – intensive weekend
Oct 31-Nov 4, Pattaya - "wakeboard week"
November 26-27, Pattaya – intensive weekend
December 5-9, Bangkok - Mon-Fri 10am-3pm
Click here for more details and to register.