diff --git a/book.tex b/book.tex
index 30cb676..130e652 100644
--- a/book.tex
+++ b/book.tex
@@ -20,20 +20,20 @@
 
 \frontmatter
 \maketitle
-\input{chapters/tex/note.tex}
+\input{tex/note.tex}
 
 \mainmatter
-\input{chapters/tex/01.tex}
-\input{chapters/tex/02.tex}
-\input{chapters/tex/03.tex}
-\input{chapters/tex/04.tex}
-\input{chapters/tex/05.tex}
-\input{chapters/tex/06.tex}
-\input{chapters/tex/07.tex}
-\input{chapters/tex/08.tex}
-\input{chapters/tex/09.tex}
-\input{chapters/tex/10.tex}
-\input{chapters/tex/11.tex}
-\input{chapters/tex/12.tex}
+\input{tex/01.tex}
+\input{tex/02.tex}
+\input{tex/03.tex}
+\input{tex/04.tex}
+\input{tex/05.tex}
+\input{tex/06.tex}
+\input{tex/07.tex}
+\input{tex/08.tex}
+\input{tex/09.tex}
+\input{tex/10.tex}
+\input{tex/11.tex}
+\input{tex/12.tex}
 
-\input{chapters/tex/appendix.tex}
+\input{tex/appendix.tex}