diff --git a/how-to-read-a-book.md b/how-to-read-a-book.md
index 727aad9cb..80fb5f124 100644
--- a/how-to-read-a-book.md
+++ b/how-to-read-a-book.md
@@ -1,8 +1,10 @@
 # How to Read a Book
 
+- a [[book]]
 - [[go]] https://www.amazon.com/How-Read-Book-Classic-Intelligent/dp/0671212095
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
+[book]: book "Book"
 [go]: go "Go"
 [//end]: # "Autogenerated link references"
\ No newline at end of file