diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23e12bd5..f9a385cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Bug Fixes (patch)
 
+## [1.3.8]
+
+### Breaking Changes (major)
+
+### New Features (minor)
+
+### Bug Fixes (patch)
+- fix(book): fix typo, array pop, and BST images [commit](https://github.com/amejiarosario/dsa.js/commit/ac9858348943f9678d116c8076bfa3a3c5362741)
+
 ## [1.3.7]
 
 ### Breaking Changes (major)
@@ -125,7 +134,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 -
 
-[Unreleased]: https://github.com/amejiarosario/dsa.js/compare/1.3.7...HEAD
+[Unreleased]: https://github.com/amejiarosario/dsa.js/compare/1.3.8...HEAD
+[1.3.7]: https://github.com/amejiarosario/dsa.js/compare/1.3.7...1.3.8
 [1.3.6]: https://github.com/amejiarosario/dsa.js/compare/1.3.6...1.3.7
 [1.3.6]: https://github.com/amejiarosario/dsa.js/compare/1.3.5...1.3.6
 [1.3.5]: https://github.com/amejiarosario/dsa.js/compare/1.3.4...1.3.5
diff --git a/book/content/part03/tree-intro.asc b/book/content/part03/tree-intro.asc
index 4778e014..f95fb889 100644
--- a/book/content/part03/tree-intro.asc
+++ b/book/content/part03/tree-intro.asc
@@ -90,7 +90,7 @@ image::image33.png[image,width=348,height=189]
 (((Max-Heap)))
 (((Min-Heap)))
 (((Data Structures, Non-Linear, Binary Heap)))
-The heap (max-heap) is a type of binary tree where the children's values are higher than the parent. Opposed to the BST, the left child doesn’t have to be smaller than the right child.
+The heap (max-heap) is a type of binary tree where the parent's value is higher than the value of both children. Opposed to the BST, the left child doesn’t have to be smaller than the right child.
 
 .Heap vs BST
 image::image34.png[image,width=325,height=176]
diff --git a/package.json b/package.json
index ad911a4c..f812f907 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dsa.js",
-  "version": "1.3.7",
+  "version": "1.3.8",
   "description": "Data Structures & Algorithms in JS",
   "author": "Adrian Mejia <hi+dsajs@adrianmejia.com> (https://adrianmejia.com)",
   "homepage": "https://github.com/amejiarosario/dsa.js",