BARRE CHORDS
two shapes, twelve chords each
$1.50
THE ELECTRIC GUITAR PICKUP
one coil or two · six builds · where it sits along the string, and how high above it
$2.50
FIRST CHORDS
15 chords every beginner starts with · standard tuning E A D G B e
$1.50
UKULELE CHORDS
the first twelve chords · standard tuning G C E A
Free
IMPERIAL UNITS
convert in your head · without a calculator
Free
PAPER SIZES
the A series · from A0 to A6
$1.50