Theodore "Teddy" Roosevelt suffered from severe asthma as a child, but he was determined to become stronger. He enjoyed going on adventures and loved the outdoors. As president, he went camping in the wilds of Yosemite with John Muir, which strengthened his desire to preserve our nation's most beautiful spaces. In his lifetime, Roosevelt designated national parks and established national monuments, national forests, bird reserves, and national game reserves, along with the US Forest Service. Kate Coombs' engaging narrative and Seth Lucas' captivating art teach young readers about this inspiring conservationist and former president, encouraging little naturalists to Be Kind and Be Adventurous.