According to Official Guinness Records,
The tallest stack of Guinness World Records™ books built by a team in one minute measures 229.7 cm (90.43 in) and was achieved by Steve Klinsky, Greg Detweiler, Susan Reiter, Scott Baglien, Verna Shinneman, David Koch, Alisa Bierman, Brenda Northup and Diane DeSplinter (all USA) at the ReaderLink Field Service National Meeting in Chicago, Illinois, USA, on 15 August 2012.
For a complete list of 2012 records, please visit 2012 Guinness Records in United States.