Heads or Tails is back! Play for a chance to win the $500 grand prize and support your fellow booksellers at the same time! Donate $20 for a blinkee pin (AKA, a chance to win), or $35 for two blinkee pins (AKA, two chances to win). Use the link below to purchase your blinkee pins ahead of time and pick up your blinkee pin from a Binc representative at Winter Institute. Binc staff and volunteers will be on-site at registration and the Vendor Showcase.