"In the past, traveling was difficult. Some places weren't even on maps! But many trailblazers have found ways to explore our world. Fun illustrations pair with bright photos to help readers learn all about our greatest adventures"--
"Most of our world is covered by water and we have only explored some of it. Follow a few trailblazers as they adventure on and under the sea. Fun illustrations pair with bright photos to help readers learn all about our greatest adventures"--