• Pay 1 Social Battery .

• Return any number of Books from your Nightstand to the bag.

• Then, take that amount plus 1 of any color(s) from the bag.

The Exchange is a "leave a book, take a book" space. It costs 1 Social Battery to use its action. Here, you can return to the bag any number of Book tiles from your Nightstand. Then, take that amount of Books, plus one, of any color or colors you choose (i.e. if you returned 3 Books, you can draw 4 Book tiles of any color or combination of colors you wish). Place this newly acquired set of Books into your Backpack.