True GrowthByrd Baggett, Lawson W Magruder III, Bob Dare, Larry Cole, Bob Clark, Freddy McFarren, Ken Keen, Vinny Boles, Byron Bagby, Anne Macdonald, Bill Weber, Shane Deverill, Bob Hall, Phil Johndrow, Dan Elder · First published 2017Open the Tome
Home Run! Science Projects with Baseball and SoftballRobert L. Bonnet, Dan Keen · First published 2009Open the Tome
Giant book of winning science fair projectsRobert L. Bonnet, Bob Bonnet, Dan Keen · First published 2000Open the Tome
Science fair projectsRobert L. Bonnet, Dan Keen · First published 1995 · Latest edition 1999Open the Tome
Science Fair Projects with Electricity and ElectronicsDan Keen, Robert L. Bonnet · First published 1997Open the Tome
Assembly language programming for the TRS-80 Model 16Dan Keen, Dave Dischert · First published 1984Open the Tome
