existing_bookmarks: keep
# Super Potato Book
# Volume 1
[Part 1](1.pdf){: start=1 end=2}
# Volume 2
[Part 2](2.pdf){: start=2}
# Volume 3
[Part 3](1.pdf){: end=2}
# Volume 4
[Part 4](2.pdf){: start=1 end=3 rotate="90"}