This set comes with four Scenario Play Surface Books that replace the Frosthaven map tiles and most overlay tokens, making set-up faster. The books also contain narrative text and special rules for 138 Frosthaven scenarios. These books require the core Frosthaven game to play.
Frosthaven: Play Surface Books will retail for $70.
Frosthaven was recently released, over three years since its Kickstarter (see "’Frosthaven’ Kickstarter Raises Nearly $13 Million").