Lesson 8, 8-11 to 8-21

Courtesy of Alison E. Arnold.

Courtesy of Alison E. Arnold.

Courtesy of Alison E. Arnold.

Courtesy of Alison E. Arnold.

Courtesy of Alison E. Arnold.

Courtesy of Alison E. Arnold.

Courtesy of Mungal Patasar. © 2007. All rights reserved.

Courtesy of Alison E. Arnold.

Courtesy of Hsiao-Mei Ku.

Courtesy of Jonathan C. Kramer.

Courtesy of Jonathan C. Kramer.