So I didn't complete this year's challenge, but I didn't do too badly either. Here's what I managed to complete:
A book recommended by a librarian
A book that's been on your TBR list forever {Snow Like Ashes}
A book of letters
An audiobook
A book by a person of colour {We Should All be Feminists}
A book with one of the four seasons in the title
A book that is a story within a story {The Next Together}
A book with multiple authors
An espionage thriller
A book with a cat on the cover
A book by an author who uses a pseudonym {Jane Eyre}
A bestseller from a genre you don't usually read {American Gods}
A book by or about a person who has a disability {Crooked Kingdom}
A book involving travel {A Gathering of Shadows}
A book with a subtitle
A book that's published in 2017 {Carve the Mark}
A book involving a mythical creature {Fantastic Beasts and Where to Find Them}
A book you've read before that never fails to make you smile {Harry Potter and the Philosopher's Stone}
A book about food {The Weekend Baker}
A book with career advice {Structuring Your Novel}
A book from a nonhuman perspective {Strange the Dreamer - sort of? Maybe stretching this one a bit... My other option is A Court of Wings and Ruin, since that's about fae...}
A steampunk novel
A book with a red spine {The Power}
A book set in the wilderness {Loneliest Girl in the Universe? Space is a wilderness of sorts...}
A book you loved as a child
A book by an author from a country you've never visited {Way Down Dark}
A book with a title that's a character's name {Anna and the French Kiss}
A novel set during wartime
A book with an unreliable narrator {One of Us is Lying}
A book with pictures {one of the many, many picture books I read this year...}
A book where the main character is a different ethnicity than you {The Hate U Give}
A book about an interesting woman {The Essex Serpent}
A book set in two different time periods {The Next Together - cheating slightly by using this one twice!}
A book with a month or day of the week in the title
A book set in a hotel {Unconventional}
A book written by someone you admire {The Cursed Child}
A book that's becoming a movie in 2017 {American Gods - cheating again here as it was a TV show, not a film}
A book set around a holiday other than Christmas
The first book in a series you haven't read before {This Raging Light}
A book you bought on a trip {Alex and Eliza}
So I had to use one novel twice, but this is much better than 2016's effort. Plus there are lots of books I read this year that didn't fit into any of the categories.