Beautiful book & very interesting to read. UNDERSTAND that this is not a book claiming to explain how to actually detail how to do each topic A-Z. It’s an overview of different subjects & inventions meant to interest the reader…NOT a manual to rebuild the world. The cover & binding seem very well made & hold up a long time w/ proper use & care. The illustrations are absolutely incredible & a great tool to aid the each subject read. It has to have taken a lot of time & care in all areas when creating this book. I appreciate a small company or group of people that had an idea, did Kickstarter & succeeded, & produced a book at the end. To start with an interesting idea for a quality & interesting book, then turn that idea into reality, is impressive & has my support.