If you are looking for a lengthy book full of complicated instructions and explanations regarding iso and ifo files, compression, zip, bus host controllers, etc., this book is probably not for you. Before You Kill It is for the person who does not have the time or the interest to go deep into the complicated inner workings of a computer. The book is short for a reason. The author hates long and complicated instructions. She wanted something she could do RIGHT NOW about her computer to increase its efficiency. So, here you areashort, simple, to the point.