diff --git a/docs/好书推荐.md b/docs/好书推荐.md
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--- a/docs/好书推荐.md
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 - Designing Data-Intensive Applications: The Big Ideas Behind Reliable, Scalable, and Maintainable Systems ([开源中文翻译](https://github.com/Vonng/ddia))
 ## 密码学
 - Cryptography Engineering: Design Principles and Practical Applications
+- Introduction to modern cryptography (second edition)
+          By Jonathon Katz & Yehuda Lindell
+          从密码学的最基础开始讲起，对传统密码学的各方面都有涉及，课程内容全面，是密码学入门很好的一本书
 ## 数据库系统
 - Database System Concepts
 ## 计算机图形学
 - Fundamentals of Computer Graphics
 ## 深度学习
-- [动手学深度学习](http://tangshusen.me/Dive-into-DL-PyTorch/#/)
\ No newline at end of file
+- [动手学深度学习](http://tangshusen.me/Dive-into-DL-PyTorch/#/)