Regular

• A book becoming a movie in 2019
• A book that makes you nostalgic
• A book written by a musician
• A book you think should be turned into a movie
• A book with at least one million ratings on Goodreads
• A book with a plant in the title or on the cover
• A reread of a favorite book
• A book about a hobby
• A book you meant to read in 2018
• A book with POP, SUGAR, or CHALLENGE in the title
• A book with an item of clothing or accessory on the cover
• A book inspired by myth/legend/folklore
• A book published posthumously
• A book you see someone reading on TV or in a movie
• A retelling of a classic
• A book with a question in the title
• A book set on college or university campus
• A book about someone with a superpower
• A book told from multiple POVs
• A book set in space
• A book by two female authors
• A book with SALTY, SWEET, BITTER, or SPICY in the title
• A book set in Scandinavia
• A book that takes place in a single day
• A debut novel
• A book that's published in 2019
• A book featuring an extinct or imaginary creature
• A book recommended by a celebrity you admire
• A book with LOVE in the title
• A book featuring an amateur detective
• A book about a family
• A book author from Asia, Africa, or South America
• A book with a zodiac sign or astrology term in title
• A book that includes a wedding
• A book by an author whose first and last names start with the same letter
• A ghost story
• A book with a two-word title
• A novel based on a true story
• A book revolving around a puzzle or game
• Your favorite prompt from a past POPSUGAR Reading challenge

Advanced

• A "cli-fi" (climate fiction) book
• A "choose-your-own-adventure" book
• An "own voices" book
• Read a book during the season it is set in
• A LitRPG book
• A book with no chapters / unusual chapter headings / unconventionally numbered chapters
• Two books that share the same title
• Two books that share the same title
• A book that has inspired a common phrase or idiom
• A book set in an abbey, cloister, monastery, vicarage, or convent