Lit-Cube July 2018 Theme Spoiler! Posted by Hello Subscription on June 1, 2018. Subscription Box Spoilers / Lit-Cube Spoilers Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Lit-Cube has announced the theme for the July 2018 Lit-Cube box! Passport to Nantucket!What do you think of this month’s Lit-Cube theme?