The Grump Hump: An SEL Rhyming Picture Book About Emotions, Apologies, and Sibling Love Who hasn't had a grumpy day? But...what happens when a grumpy week summons a mood monster? The Grump Hump is a heartwarming, rhyming children’s book that helps kids ages 4–9 understand and manage big emotions like anger, guilt, and remorse. Perfect for parents, teachers, and therapists, this engaging picture book about emotions supports social-emotional learning (SEL) through a fun, monster-themed story. The Story: A young boy has been feeling grumpy for days - and soon a mood monster attaches to him! But when his kind-hearted sister writes him a touching letter, he begins to feel something new: regret. Will he apologize and make things right? Get ready for a magical surprise if he does! Add to Cart Today! Click " Follow Author " button to be notified when new titles are released. Why Families & Educators Love It: Builds Emotional Intelligence - Sparks connection through conversation - Teaches the Power of Apology - Strengthens Sibling Relationships - Rhyming & Read-Aloud Friendly - Great Gift for Kids Ages 4–9 Perfect For: Parents seeking children’s books about emotions and apologies - SEL-focused teachers, counselors, and caregivers - Kids who love monster-themed picture books - Fans of Grumpy Monkey , The Color Monster , When Sophie Gets Angry - Storytime, classrooms, therapy, or bedtime Core Themes: Emotional Regulation - Apologies & Forgiveness - Sibling Love & Empathy - Rhyming Storytelling - Social Emotional Learning (SEL) Help your child navigate emotions and build empathy. Bring home The Grump Hump today and make it part of your together time. Add to Cart Today! More Books in the Courage and Confidence for Kids Series! Don’t miss the rest of this inspiring series designed to build resilience, confidence, and emotional awareness in kids ages 4–9! The Feather – A gentle tale of new beginnings, courage, and letting go. The Overlooked Wishing Star – Embrace your light and overcome comparison. (Coming Soon!) The Sheep That Wasn’t Counted – Learn to shine, even when left behind. (Coming Soon!) Kren York writes whimsical, heartfelt stories that spark curiosity, emotional growth, and family connection. Known for creating tales that blend magical realism with social-emotional themes, Kren is passionate about helping children explore big feelings within the confines of a new world, and have them bring their questions and new perspectives back into ours. Anastasiia Khodak is an illustrator and digital artist based in Ukraine who creates portraits & illustrations for a variety of creative projects.