A mushroom day is a day of exploring together and discovering some of the most incredible lifeforms on earth: fungi. In this lyrical, informational picture book structured around a walk through a summertime wood, a child and their caregiver share the sights, sounds and smells of the forest as they observe and identify different varieties of mushrooms. On a Mushroom Day encourages curiosity and a love of fungi in young children and normalizes safe, chaperoned joyful exploration of the fungal queendom all around us. Filled with fun, fascinating fungi facts and a visual catalogue of mushroom species so that kids can enjoy their very own mushroom day in the pages of this book!