For the most comprehensive TOEFL help available anywhere, test-takers will want to get their hands on Barron's TOEFL iBT Superpack. It consists of four essential test-prep guides and materials, including:

The TOEFL manual with two MP3 CDs and a CD-ROM

Barron's Essential Words for the TOEFL TOEFL

Strategies and Tips with MP3 CD Barron's

Writing for the TOEFL iBT with MP3 CD