sentences:  Dettmer has subsequently augmented his process by folding, bending, rolling, or stacking one or more books before sealing and cutting them or, in some instances, sanding them to create a variety of forms.Dettmer has also constructed larger sculptures using complete sets of encyclopedias and other reference books.Other notable examples of media transformed by Dettmer include music cassette tapes melted and formed into a life-sized human skeleton (Tyson 2007) and various animal skulls; cut and layered highway maps of the United States and the Middle East (Packer 2005) and three-dimensional map sculptures; VHS videotapes of gangster movies unraveled and formed into funeral flower arrangements; and a controversial reconfiguration of audio excerpts from George W. Bush's 2002 State of the Union Address.