A hand-written note in the sleeve of Lesson 1-5 says this:

p.11/12 V2#7 Colorcue
Brief Explanation

1. "AUTO" key to continue lesson

2. Type MENU before hitting return to select another lesson!

GREEN  -- tutorial text
WHITE  -- important information
YELLOW -- programming phrase
RED    -- results of programs
CYAN   -- key or statement define
BLUE   -- to emphasize

Tutorial 1: Demo of BASIC Capabilities
Tutorial 2: Introdution & Escape Sequences
Tutorial 3: Fundamentals & Simple Programming
Tutorial 4: More Statements, Features, & Programming
Tutorial 5: Loops, Subroutines, Branching, & Functions