There's no doubt that kids have a unique way of seeing daily life. What would happen if grown-ups listened more closely to practical wisdom from a knee-high perspective? In What Jack Taught Grandpa, Bob and Sandy Heckman share one-of-a-kind stories about their grandson, Jack, and his priceless viewpoints about the world around him. Joined with colorful illustrations and applicable life lessons for adults, this book is sure to bring laughter, smiles, and a fresh outlook to grandkids and grandparents alike!