Super Coffee Shop CrosswordsHarvey Estes, Bob Klahn, Fred Piscop, Mel Rosen · First published 2014Open the Tome
Challenging 30-Minute CrosswordsBob Klahn, Frank Longo, Rich Norris, Harvey Estes, Dave Tuller, Martin Ashwood-Smith, Mel Rosen, Raymond Hamel, Manny Nosowsky, Patrick Jordan · First published 2005Open the Tome
Puzzles to Keep You Sharp (PUZZLES to Keep you SHARP, 4 Book in 1!)Mark Danna, Henry Hook, Harvey Estes, Olivia Carlton, Bob Klahn, Fred Piscop & Mel Rosen · First published 2004Open the Tome
Super 30-Minute CrosswordsHarvey Estes, Bob Klahn, Fred Piscop, Mel Rosen · First published 2003Open the Tome
Exploring Careers in the National ParksBob Gartner, Ruth C. Rosen · First published 1993Open the Tome
