a) finished Ch 11, F4.
b) left off on page 219 .epub, Ch. 11 - Iteration F5: Making Images Clickable
a) finished Ch 11, F4.
b) left off on page 223 .epub, Ch. 11 - Testing Ajax Changes
a) finished Ch 11. and all tests pass.
b) left off on page 228 .epub, Ch. 12