I looked at the excerpt. The typesetting is terrible for a book priced at $24. See the side by shot of rails recipes and your book. Also in your book the code is not syntax highlighted making it quite difficult to read.

The code is also formatted such a way that the codeblock splits into two pages for just a closing brace (page 44 - collection view)

For $24 I expect better typesetting. Right now it looks like a pirated OCR book.

The content may be great (I haven't read it) but to me a book is difficult to read if it is typeset like this.