Richard Walker

74 books

470 pages hardcover

nonfiction science informative medium-paced

320 pages 2007

nonfiction reference science informative slow-paced

72 pages paperback

nonfiction childrens nature science young adult informative medium-paced

64 pages 2006

nonfiction history science informative slow-paced

288 pages 1994

nonfiction childrens health reference science informative medium-paced

264 pages paperback

nonfiction politics informative reflective medium-paced

40 pages 1999

fiction childrens adventurous lighthearted slow-paced

72 pages 2007

nonfiction childrens science informative slow-paced

128 pages paperback

nonfiction art history travel informative medium-paced

336 pages 2008

nonfiction childrens reference science informative fast-paced