Jonathan's Precocious Pooches Coloring Book includes a series of twenty-five cartoon dogs. All illustrations are original drawings and characters are figments of the author's imagination. The drawings themselves are gag cartoons without captions. Each character is engaged in some activity, such as baseball, basketball or diving. Children, especially those between the ages of seven and ten years old, may find the drawings amusing and entertaining.

Jonathan's Dinosaur Department is a coloring book featuring twenty seven illustrations accompanied by captions. Each illustration shows one or more cartoon dinosaurs engaged in various activities, such as sailing, diving and dancing. The theme of the book is humor so the captions include a considerable amount of word play, such as alliteration and puns. Children between the ages of three and ten may find the pictures amusing, entertaining and fun to color.

Jonathan's Dastardly Dinosaurs is a Spot the differences book. This book is fifty-seven pages long and includes twenty-seven pairs of similar cartoon drawings. Each pair shows dinosaurs engaged in various activities such as dining, playing football and dancing. In addition, all cartoons are accompanied by humorous captions featuring word play such as puns and alliteration. Separate pages with solutions are included after each pair. These pages show additional drawings with the differences circled. Spot the difference books are popular among children, especially those between the ages of seven...