Edit: There will be no new hard copy for GATE CSE 2023. You can use the last year book and GATE CSE 2022 questions are here on site. Some hard copy books are still available on Amazon from last year.
GO Book for GATE CSE 2022 This is the third edition of this book updated with GATE 2020 and 2021 questions.
Softcopies are available at http://book.gateoverflow.in — same as the hardcopy including answers for all questions – all 3 volumes together will be ~2000 pages.
As before the hardcopy will be having all GATE CSE questions since 1987 answered with some of them having multiple answers (best answer selected on GO + Useful answer marked by admins)
Only out of syllabus questions from previous year GATE are omitted
Descriptive, fill in the blanks and multiple select answer type questions from old GATE papers are included
12*8 = 96 sets of previous year Aptitude questions are included from all the branches, not just CSE
Amazon Buy link