Double Knot

Double Whammy

Book 1

Double Dip

Book 2

Double Strike

Book 3

Double Mint

Book 4

Double Jinx

Book 5.5

Double Up

Book 6

Double Deck the Halls

Book 6.5

Double Dog Dare

Book 7

Double Agent

Book 8

Double Trouble

Book 9

Double Wide

Book 10

Double Dose

Book 11

Double Blast

Book 12