Head First Software Development: A Learner's Companion to Software Development

Head First Design Patterns

Head First Object-Oriented Analysis and Design: A Brain Friendly Guide to OOA&D

Head First Java

Code Complete (Developer Best Practices)

Head First Data Analysis: A learner's guide to big numbers, statistics, and good decisions

Head First Object-Oriented Analysis and Design

The Algorithm Design Manual

How Linux Works: What Every Superuser Should Know

Data Science for Business: What You Need to Know about Data Mining and Data-Analytic Thinking

Head First SQL: Your Brain on SQL -- A Learner's Guide