This is a lot of 6 Math-U-See Instruction manuals as follows:

• Primer - Introduction to Math - Good condition
• Alpha - Single Digit Addition and Subtraction - Good condition
• Delta - Single and Multiple Digit Division - Good condition
• Epsilon - Fractions - Good condition
• Gamma - Single and Multiple Digit Multiplication - Some pencil markings
• Zeta - Decimals and Percents - Good condition