Quote:
Originally Posted by HarryT
That's not relevant here, though. The page of the OP's ebook is a digital copy of the page of the printed book. That's pretty much mandates that one requires a reasonably large screen to read it on.
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... if the printed book is a large book.
Textbooks, in recent decades, do tend to be rather large. Even a half century ago, my school textbooks were larger than my dad's college textbooks. This day and age, publishers desiring to publish both print and electronic editions of textbooks should design the book for the electronic edition first and then port to print.
I reviewed my dad's college textbooks that I have, all engineering topic full of diagrams and formulas. They were all single column text on pages with a diagonal measure of 9-10.5", the size of the
smaller current iPad Pro. They were all very functional and all would have been easy to convert to PDF had they been produced today in the likes of InDesign.
My high school and college textbooks were often on larger pages with 2 columns. This is a style that should no vanish completely from the textbook world.