Core Knowledge

318 pages 1991

nonfiction education reference informative medium-paced

272 pages hardcover 1991

nonfiction education informative fast-paced

320 pages 1996

nonfiction childrens education informative lighthearted fast-paced

395 pages 1992

nonfiction education reference informative fast-paced

224 pages 2008

nonfiction childrens education informative inspiring lighthearted slow-paced

416 pages 1993

nonfiction education reference informative lighthearted medium-paced

416 pages 1993

nonfiction education reference informative fast-paced

344 pages 1992

nonfiction education reference informative lighthearted fast-paced

392 pages 1993

nonfiction education reference informative reflective medium-paced

400 pages paperback 1992

nonfiction education reference adventurous informative lighthearted fast-paced