https://teamtreehouse.com/community/homewardaddchoicewithtitle-head-back-to-mars-page-touchdown
homeward.addChoiceWith(title: "Head back to Mars", page: touchdown) (Example) | Treehouse Community
Joey Liu is having issues with: I copied the code from instructor's note. I create a Page.swift file, create a struct called Adventure. And pasted it on,...
back to mars