SQL Performance Explained - Markus Winand - Excellent book that gets into the internals of what developers need to know about SQL and covers each part as it re

SQL Performance Explained - Markus Winand - Excellent book that gets into the internals of what developers need to know about SQL and covers each part as it relates to the 4 major SQL databases (Oracle, SQL Server, Postgres, MySQL) - Also has an online version: http://use-the-index-luke.com/sql/table-of-contents http://use-the-index-luke.com/sql/table-of-contents The Code Book - Simon Singh - It's just a good read that covers cryptography and message hiding throughout history. Probably a solid book for somebody around high school age.