Hippy dippy.

Woodstock Festival; Woodstock: Three Days That Rocked the World (Book); Road to Woodstock, The (Book); Girls Like Us (Book); Books

The article discusses the efforts of the publishing industry to commemorate the 40th anniversary of the Woodstock Music & Art Fair in August 2009. Sterling will release the book "Woodstock: Three Days That Rocked the World," by Mike Evans, while HarperCollins U.S. imprint Ecco will publish "The Road to Woodstock," by Michael Lang. Books on the bands who performed in the event are also available, such as Joan Baez's "And a Voice to Sing With" and Sheila Weller's "Girls Like Us."