The book "Once Upon a Time and Other Children's Poems" by Mary Eleanor Wilkins Freeman is a collection of poems that transports readers to the fascinating world of children's imagination and unforgettable moments of childhood. In her poems, the author embodies the tenderness, joy, and fun of childhood, revealing the world to adults through the eyes and hearts of little heroes. Each poem is a bright, colorful picture that illustrates funny, cute or thoughtful situations, full of childlike tenderness and carefreeness. This book is filled with warmth and kindness, reminding us of the importance of maintaining purity of soul and joy in the heart, regardless of age.