Modern history by spectrum

How many pages are in spectrum?
Spectrum is a science fiction novel by Russian writer Sergei Lukyanenko, taking place in the near future.
Contact with aliens allowed humanity to travel between planets through portals..
Which is the latest edition of modern history spectrum?
Language‎EnglishPaperback‎1016 pages.
Who is the author of spectrum?
Spectrum is a science fiction novel by Russian writer Sergei Lukyanenko, taking place in the near future.
Contact with aliens allowed humanity to travel between planets through portals..
There are nearly 850+ pages in spectrum (latest edition) to prepare for modern Indian history.

How many pages are in spectrum?