You can find The Many Adventures of Miranda Mercury: Time Runs Out HC available for sale at the following:
Your local comic book store. To find the closest store near you, visit the Comic Shop Locator Service or call 1-888-COMIC-BOOK. Another site you can try is The Master List of Comic Book and Trading Card Stores.
Amazon. Order online at amazon.com (ISBN:1936393158).
Independent bookstores. Visit this link to find the closest independent bookstore near you.
ComiXology. You can buy digital downloads in the ComiXology store.
Archaia Online Store. Order at http://store.archaia.com.