From 7777de6adb166d92b4c9ee4b24054637ab8477b7 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Fri, 27 Mar 2026 23:56:08 -0400
Subject: [PATCH] BibLaTeX inbook should be CSL book, not chapter.

Closes #11552.
---
 src/Text/Pandoc/Citeproc/BibTeX.hs       | 2 +-
 test/command/biblatex-crossref-nested.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Text/Pandoc/Citeproc/BibTeX.hs b/src/Text/Pandoc/Citeproc/BibTeX.hs
index 06696bcf3..14f3a7af0 100644
--- a/src/Text/Pandoc/Citeproc/BibTeX.hs
+++ b/src/Text/Pandoc/Citeproc/BibTeX.hs
@@ -1209,7 +1209,7 @@ getTypeAndGenre = do
              | otherwise         -> "article-journal"
            "book"                -> "book"
            "booklet"             -> "pamphlet"
-           "bookinbook"          -> "chapter"
+           "bookinbook"          -> "book"
            "collection"          -> "book"
            "dataset"             -> "dataset"
            "electronic"          -> "webpage"
diff --git a/test/command/biblatex-crossref-nested.md b/test/command/biblatex-crossref-nested.md
index bf9d236a4..3b5b5acf6 100644
--- a/test/command/biblatex-crossref-nested.md
+++ b/test/command/biblatex-crossref-nested.md
@@ -53,7 +53,7 @@ references:
   publisher: Publisher
   publisher-place: Location
   title: Macbeth \[title field of bookinbook-1\]
-  type: chapter
+  type: book
   volume: 3
   volume-title: Tragedies \[title field of book-1\]
 - author: