Planet GiganticDavid Halvorson, Will Perkins, Phil Sloan, Eric Grissom · First published 2015Open the Tome
The merry widowVictor Léon, Leo Stein, Christopher Hassall, Wendy Wasserstein, Gary Halvorson, Judy Flannery, John Walker, David Horn, Franz Lehár · First published 2003Open the Tome
Microsoft Office XP - Illustrated IntroductoryDavid W. Beskeen, Jennifer Duffy, Ann Fisher, Lisa Friedrichsen, Elizabeth Eisner Reding, Marie L. Swanson, Halvorson, Hunt · First published 2001Open the Tome
Microsoft Office Professional for Windows 3.1 - Illustrated Enhanced EditionMichael Halvorson, Marie L. Swanson, Elizabeth Eisner Reding, David W. Beskeen, Steven M. Johnson · First published 1996Open the Tome
Engineered organisms in the environmentHarlyn O. Halvorson, David Pramer, Marvin Rogul · First published 1985Open the Tome
