This is a fascinating book on meditation.  I really like techniques 75 and 76.

Vigyan Bhairav Tantra : 
The masterpiece of Meditation

"No discussion on meditation is complete without mentioning  the Vigyan Bhairav Tantra This 5000 year old ancient Indian text on meditation is considered by many as the last word on meditation.

  Vigyan ~~ Science ( in Hindi )

  Bhairav ~~ An ancient mythological God of Hindu religion.

  Tantra ~~ ( A mystical spiritual path. Read more)

  Vigyan Bhairav Tantra is an ancient text on meditation.  It contains 112 techniques of Meditation. Basically in the form of a dialogue between lord Shiva and his wife Parvati (refer to as Devi in the book), this books discusses 112  meditation techniques which can be used for realizing our true self. 

The book starts with a question from Devi regarding the nature of reality. She asked Shiva about Universe, about fundamental nature of this world, how one can go beyond space and time to understand this truth."

Introduction:

http://www.meditationiseasy.com/mCorner/techniques/Vigyan_bhairav_tantra.htm

The techniques:

http://www.meditationiseasy.com/mCorner/techniques/Vigyan_bhairav_tantra/Meditation_techniques_index.htm