ET
1. Ticks, Mites, and Roly-polys
2. Eyes and Bellybuttons
3. Buses and Trains
4. Coasters, Knifes, Forks, and Plates
5. Skittles, Snickers, M&Ms, and Lifesavers
6. Baseballs and Hockey Pucks
7. Marbles, Checkers, Dominoes, and Soda Caps
8. Rulers, Thumbtacks, Pencils, and Bookmarks
Hints
The puzzle is not about aliens or space. It's about a common encoding, and the title / cover is confirmation about it
Each item listed in a title should be interpreted one of two ways