In Search of the Ultimate High can be purchased from:
In Search of the Ultimate High can be found in larger branches of Waterstones, Borders and Blackwells, and can be ordered from all good bookshops.
Details you might need are:
Title: In Search of the Ultimate High: spiritual experience through
psychoactives
Authors: Nicholas Saunders, Anja Saunders, Michelle Pauli
Publisher: Random House (Rider)
ISBN: 0 7126 7087 4
Price: £12.99