Are your grandchildren coming this weekend? They will want to run in the garden or gallop under the trees of the park and ask you what this bird is called or if this flower is edible! Don’t panic, dear grandparents: with this book, you will never run out of ideas to spend time outside with your grandchildren. How to impress your grandchildren by pointing out each star by its name, guessing tomorrow's weather just by looking at the shape of the clouds or by making them discover plants that fart! Edition completed and enriched with a title published in 2015 (with over 8000 copies sold in French).