As we know, Marcus and Sienna love being brother and sister. But now there is something that they love even more. And that thing is playing sports . . . together! They have sports clubs every day of the week. They even play sports at home during the weekend. Not only is it super fun for them, but it also teaches them awesome lessons about fitness, learning, commitment, and teamwork. So, what are their favorite clubs? Are they any good at their sports? And what happens when they don't feel like going? Welcome to yet another story in the lives of Marcus and Sienna, the siblings who are also the very best of friends. This is a book that not only encourages young readers to get out there and try lots of different sports, but it also celebrates the ability to pull through and get on with things, even if you aren't really feeling up to it. This kind of resilience is important in life, and starting to learn about it early will help children tackle tough challenges in years to come. Of course, it also covers the themes of kindness, empathy, friendship, and support, as a Marcus and Sienna tale always does!