Patricia Harris Ph.D. 
Understanding Coding Using Conditionals [PDF ebook] 

Why is having a choice important when it comes to both life and coding? How can coders include choices for the user? This book explains the concept of conditionals and introduces readers to the If/Then/Else concept-a way to allow choices in computer programming. The book also explores several conditional statements from programming languages and talks about how we use conditional statements every day. Photographs and sidebars allow readers to deepen their understanding of the concept of conditionals.