2007 Catalog/IG
1TL - KL02 (Language and Thinking) assignments listed optional for Core C w/ gr 1 readers; product listed as optional recommended resource in catalog corrections. 5.2.07
2006 Catalog
Language and Thinking for Young Children (item KL02, $7.99) is a required resource for LA 1 when used with Core K. It should be listed under the required resources for Core K on page 23, on the LA 1 box on page 28, and on the LA resources on page 126.