Ray Spangenburg

20 books

166 pages first pub 1993 (editions)

nonfiction science challenging informative medium-paced

156 pages first pub 1993 (editions)

nonfiction historical science challenging informative slow-paced

141 pages missing pub info (editions)

nonfiction autobiography biography childrens nature science challenging informative medium-paced

164 pages missing pub info (editions)

nonfiction autobiography biography childrens nature science adventurous informative slow-paced

188 pages first pub 2004 (editions)

medium-paced

238 pages missing pub info (editions)

nonfiction childrens history science technology young adult

160 pages first pub 2004 (editions)

nonfiction biography informative medium-paced

143 pages missing pub info (editions)

nonfiction childrens politics science medium-paced

missing page info first pub 2002 (editions)

informative lighthearted medium-paced

125 pages missing pub info (editions)

nonfiction science medium-paced