honestly even for someone who didn't go to university this book is blatantly obviously snipped together from students assignments. there's in some places measured temperature in K and in some C. get it together... about 40-45% of the book was just repeating the same thing over and over again with different wording. someone found a word and repeated it to exhaustion because it sounded sophisticated. all ive learned from this book is that a bunch of good for nothing morons calculated theoretical math that might not apply outside of our own little solar system . that bit was interesting albeit repetitive.