by Kay Danella
More Buying Choices $5.43 used (1 offer)
by Steven Levy
Our Price: $20.51
More Buying Choices $6.75 used (1 offer)$13.90 new (1 offer)
by Howard Johnson, Howard Johnson, Carolyn Hickman, Martin Ridge, Willard B. Moore
More Buying Choices $7.38 used (1 offer)$16.42 new (1 offer)
by Joel N. Shurkin
More Buying Choices $6.35 used (1 offer)$21.61 new (1 offer)
by Cheryl Glenn, Loretta Gray
More Buying Choices $3.46 used (1 offer)$30.04 new (1 offer)
by Deborah Morley
More Buying Choices $5.70 used (1 offer)
by Rachel Ramey
More Buying Choices $35.74 used (1 offer)$11.61 new (1 offer)
by Nicholas Carr
Our Price: $24.83
More Buying Choices $2.69 used (1 offer)$9.25 new (1 offer)
by Mark Frauenfelder
More Buying Choices $5.89 used (1 offer)$20.77 new (1 offer)
by Gerard J. Milburn, Paul Davies
Our Price: $18.01
More Buying Choices $4.65 used (1 offer)$11.95 new (1 offer)
by Susan Buchalter
More Buying Choices $16.57 used (1 offer)$32.13 new (1 offer)
by Kevin Murrell
More Buying Choices $52.54 used (1 offer)$115.38 new (1 offer)
by Andrew Lih, Patrick Lawlor
More Buying Choices $53.65 used (1 offer)
by Flo Conway, Jim Siegelman
More Buying Choices $13.90 used (1 offer)$31.44 new (1 offer)
by Sharon Bolton
More Buying Choices $45.20 used (1 offer)
by Richard Dooling
More Buying Choices $4.90 used (1 offer)$15.15 new (1 offer)
by Jerry Savelle
More Buying Choices $93.60 used (1 offer)
by Michael McGarrity
More Buying Choices $5.58 used (1 offer)$17.20 new (1 offer)
by Terri Blackstock
More Buying Choices $6.75 used (1 offer)$78.91 new (1 offer)
by Mark Richards, John Alderman, Dag Spicer
More Buying Choices $23.26 used (1 offer)
by John Markoff
More Buying Choices $5.60 used (1 offer)$25.44 new (1 offer)
by Martin Campbell-Kelly, William Aspray
More Buying Choices $3.57 used (1 offer)$74.18 new (1 offer)
by Matthew Raley
More Buying Choices $5.55 used (1 offer)$57.19 new (1 offer)
by W. H. (Chip) Gross
More Buying Choices $6.75 used (1 offer)$72.63 new (1 offer)
by Kent C. Redmond, Thomas M. Smith, William Aspray, Thomas J. Misa
More Buying Choices $26.70 used (1 offer)$54.47 new (2 offers)
by M. Mitchell Waldrop
More Buying Choices $6.38 used (1 offer)$106.78 new (1 offer)
by Ted Nelson
More Buying Choices $53.70 used (1 offer)$20.63 new (1 offer)
by Roxy Peck, Chris Olsen, Jay Devore