8 copies of Rock Tour (Pathfinder). Go for a tour of America's geological wonders, from gigantic caves to granite cliffs.
The Explore On Your Own Pioneer and Pathfinder books enable all students to deepen science content knowledge with identical content at two reading levels: Pioneer (grades 2-4) and Pathfinder (grades 4-6). They also provide the opportunity for students to independently apply multiple reading comprehension strategies.