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Title: This book had potential...
Review: until you read the second chapter and realize that nobody edited this book for mistakes. It is difficult to learn an OS/IDE when the author references functions by the wrong name (myEventHandler in the code example gets referenced as HelloEventHandler in the text), and doesn't give a detailed description of what the function is actually doing. In addition, sometimes he writes the line of code, then describes it, while other times he describes what the code is doing and then prints the line of code. You can never be sure which line of code went with what description. I found myself spending more time figuring out what the author was trying to say, than figuring out how the OS works.
