This bilingual picture book provides an incredible answer to a seemingly simple question. Based on recent research by different marine biologists and full of natural science, it explains the importance of whale poop in the life cycle of all ocean beings and even terrestrial ones, with the mission of contributing to co-create a healthier and more balanced environment for all living beings on planet Earth. Illustrations were created and printed with spot colors that are friendly to color-blind vision (protanopia or deuteranopia). Written in English and Spanish. Values contained on the narrative: care for nature, respect for life, complete bibliography of consulted research.