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Robert Penner

8 books

213 pages paperback

nonfiction mathematics challenging informative reflective slow-paced

34 pages paperback

nonfiction childrens

326 pages paperback

fiction fantasy adventurous fast-paced

206 pages paperback

fiction medium-paced

34 pages paperback

nonfiction medium-paced

480 pages 2002

informative medium-paced

468 pages digital 2022

fiction fantasy science fiction short stories

224 pages 2020

fiction science fiction dark reflective slow-paced