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Offer to the members of the International Society on General Relativity and Gravitation (ISGRG):

ISGRG has commissioned the book “General Relativity and Gravitation: A Centennial Perspective.” It will be published by Cambridge University Press later this spring. The editors are Ashtekar, Berger, Isenberg, and MacCallum, and the table of contents can be found at http://event.gravity.psu.edu/book_toc.shtml. This book provides a comprehensive overview of the current state of gravitational physics.

Cambridge University Press is offering a 50% discount to members of ISGRG who pre-order the book. Orders must be placed by April 30, 2015. After this date the book will be available at a 20% discount to ISGRG members, just like all other Physics and Astronomy books published by Cambridge University Press.

If you are not an ISGRG member and wish to join, please follow the procedure indicated at http://www.isgrg.org/membership_dues.php or contact the ISGRG Secretary (beverlyberger[AT]me.com).