I have some materials on TOEFL IBT that i have used and i did perform excellently in the TOEFL IBT Exam even though i had some problems during the exams, i would have scored better than the 98 that i had. The first person that i gave this material to had an 100 in the TOEFL IBT as i took time to explain some mistakes i made to him and he found it helpful. I would like to share these materials with anyone who is interested for a token. I am sure whoever follows stricto senso the material can't score less than a 90 in the TOEFL IBT.
Incase you are entertaining any doubt check my Official Exam Result(in the picture)