Dogs are popular pets all over the world. They do just about everything with us―cuddle on couches, hike through the hills and even sometimes sleep on our beds. And they come in all shapes and sizes, with breeds ranging from tiny toys to gargantuan giants. Dogs have been people's constant companions for thousands of years, and there's almost no end to the jobs they do for us. It's no wonder we call dogs our best friends! For animal lovers who are absolutely obsessed with everything dogs, this book has it all―tonnes of mind-blowing facts; all the breeds; exciting games; hands-on activities; hilarious dog jokes; and fascinating research, such as whether dogs recognise themselves in the mirror. This fun-tastic series from National Geographic Kids combines fun facts, photos, info-packed articles, incredible statistics and entertaining extras all in a single book. The winning combination of running text and short bursts of information keeps kids excited and engaged. It's a one-stop shop for everything kids want about their favourite topic.