PHASES OF THE MOON
eight phases · a full cycle of 29.53 days
$1.50
ENGLISH ALPHABET
26 letters · 5 vowels · 21 consonants
$1.50
GREEK ALPHABET
24 letters · names and where science uses them
$1.50
THE CLOCK FACE
two hands, twelve numbers — how to read the time
$1.50
ROMAN NUMERALS
seven symbols · ones, tens, hundreds · years
$1.50
BARRE CHORDS
two shapes, twelve chords each
$1.50
FIRST CHORDS
15 chords every beginner starts with · standard tuning E A D G B e
$1.50
THE KEYBOARD
three octaves · every key and its note on the staff
$1.50