36 books • 2 series
Self-Disciplined Ninja (Ninja Life Hacks, #47)
Forgetful Ninja
Sad Ninja (Ninja Life Hacks, #42)
Sharing Ninja (Ninja Life Hacks, #41)
Humble Ninja
Communication Ninja (Ninja Life Hacks, #29)
Stressed Ninja (Ninja Life Hacks, #30)
Smart Ninja (Ninja Life Hacks, #31)
Organized Ninja (Ninja Life Hacks, #28)
Compassionate Ninja (Ninja Life Hacks, #24)
Funny Ninja (Ninja Life Hacks, #27)
Earth Ninja (Ninja Life Hacks, #6)
Dishonest Ninja (Ninja Life Hacks, #13)
Calm Ninja (Ninja Life Hacks, #22)
Diversity Ninja (Ninja Life Hacks, #16)
Kind Ninja (Ninja Life Hacks, #8)
Gritty Ninja (Ninja Life Hacks, #12)
Focused Ninja (Ninja Life Hacks, #21)
Unplugged Ninja (Ninja Life Hacks, #15)
Grateful Ninja (Ninja Life Hacks, #19)
Money Ninja (Ninja Life Hacks, #10)
Confident Ninja (Ninja Life Hacks, #25)
Hangry Ninja (Ninja Life Hacks, #20)
Patient Ninja (Ninja Life Hacks, #26)