Unfortunately, ebooks as a technology are young, and editors aren't paid as much as they used to be --- if they're being employed to review books at all in some cases.
Don't get me started on the typos in Lost Art Press's _Virtuoso: The Tool Cabinet and Workbench of Henry O. Studley_ --- they mis-spelled the subject's name on the inside cover and duplicated one photo, so a pair of flat pliers is shown twice and there is not detail photo of the iconic twin pair of jeweler's pliers, and didn't do a "cancel" reprinting that page as any reputable publisher would.
Don't get me started on the typos in Lost Art Press's _Virtuoso: The Tool Cabinet and Workbench of Henry O. Studley_ --- they mis-spelled the subject's name on the inside cover and duplicated one photo, so a pair of flat pliers is shown twice and there is not detail photo of the iconic twin pair of jeweler's pliers, and didn't do a "cancel" reprinting that page as any reputable publisher would.