Dear Mobile 6600,
Barron's is a good institute which provides TOELF preparation courses for a long time, just like Cambridge which is the best in IELTS field, I have been teaching many students TEOFL courses and I have tried different books, but Barron's always provided the best result and the fastest improvement.
Good luck with TOEFL exam, perhaps you are going to go to Sweden too, recently most of students talk about it, it has free university and you don't have to pay tuition.
Thanks for visiting my website, I am redesigning and it will be ready soon, god willing.
Take care of yourself and if you had more question just let it here,
I can't visit p30word every day, so if you had urgent q, you can call me: 09126125524,
I will call you back, if I be at class.
Good luck man!