This needs proof reading before going to print, the spelling and grammar mistakes are distracting. I also found the book tells me what code snippets are doing rather than why you want to do it and the code itself tells me that much. I think the examples were nice but the instructional content could've been far better, it read a bit like the instructions for Ikea furniture, it tells you to put a in b before c but not why you want to or why the order matters.