Klahn, Bob books & textbook
Super 30-Minute Crosswords
Estes, Harvey Klahn, Bob Piscop, Fred Rosen, Mel
Puzzlewright /2003-08-01 Spiral-bound / 96 Pages
isbn-10: 1402705425 / isbn-13: 9781402705427
Great 30-Minute Crosswords
Ashwood-Smith, Martin Hamel, Raymond Klahn, Bob Norris, Rich Salomon, Nancy
Puzzlewright /2004-03-01 Paperback / 96 Pages
isbn-10: 1402707711 / isbn-13: 9781402707711
Absolutely Nasty® Crosswords Level 1 (Absolutely Nasty® Series)
Puzzlewright /2013-09-03 Spiral-bound / 160 Pages
isbn-10: 1454900598 / isbn-13: 9781454900597
Puzzles to Keep You Sharp (PUZZLES to Keep you SHARP, 4 Book in 1!)
Henry Hook Bob Klahn Fred Piscop & Mel Rosen Mark Danna
Barnes & Noble Books /2004-01-01 Spiral-bound
isbn-10: 0760756252 / isbn-13: 9780760756256