There's also an updated Unicode 5.0 version but they wisely decided to leave out CJK characters and Hangul syllables so that book is half the size.
According to Wikipedia (https://en.wikipedia.org/wiki/Unicode#Versions) Unicode 4.0 had only 96,382 codepoints so a Unicode 15.0 book with all 149,186 codepoints would only be 2000 pages long...
Gregory's Server
According to Wikipedia (https://en.wikipedia.org/wiki/Unicode#Versions) Unicode 4.0 had only 96,382 codepoints so a Unicode 15.0 book with all 149,186 codepoints would only be 2000 pages long...