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Using the book class with the twoside option, I get chapters that start on right/odd pages, which is the expected behavior.

Still, I would like to have some specific chapters starting on a left/even page. Is there a way to achieve this?

1 Answer 1

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the book class provides the openright switch, which is "on" by default. if you want to have a chapter start on the left, just before the \chapter command, insert

\makeatletter
\@openrightfalse
\makeatother

make sure this is in the same file as the \chapter command. if the chapter is in a separate file, accessed by \include, and the "don't open right" code is in the main file before the \include, the code will be delayed until after the \included file has been read and processed.

to reset the right-opening mode, do just the opposite:

\makeatletter
\@openrighttrue
\makeatother

this can be made into a pair of commands, perhaps \OpenLeft and \OpenRight.

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  • 2
    N.B. as stated at the beginning of the answer, the first code block just turns the default off. Hence, calling it \OpenLeft might be a bit confusing, because it makes the chapter open anywhere, not specifically on the "left".
    – Sparhawk
    Commented Jun 27, 2017 at 5:25
  • Is there a way to make it a real \OpenLeft?
    – DonMeles
    Commented Jan 30 at 14:53

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