Thai Thai is a great Thai restaurant, serving delicious food at very reasonable prices. The map on Trip Advisor is incorrect. The restaurant is located in a shopping center south of Lake Cook Road (turn south at the first light west of Waukegan Road or east of the railroad overpass. It is towards the south end of the shops, southwest of the Secretary of State offices. (It's worth looking for).
This is our favorite Thai restaurant (and we eat all over the metro area). The menu at Thai Thai is very good, offering many traditional Thai dishes. Our favorites are Pad Thai and Mussaman curry. The curry is very flavorful but can be ordered "very mild" if need be, and is still very flavorful. The food is always well-prepared and very tasty. There are great appetizers and several nice deserts (fried banana cigars with coconut ice cream, sticky rice with mango, etc.). Prices are very reasonable and additionally they have a mid-week (don't remember which days) special which consists of two entrees and an appetizer for $25, that can't be beat. Service is always very efficient, friendly and attentive; the manager often stops by to check on things.
Thai Thai is open Monday through Saturday and they deliver. I can very strongly recommend Thai Thai - we've eaten there since it opened and continue to love to go there.