| RUMI | Bestselling Persian writer of the Masnavi |
| OMARKHAYYAM | Persian author (c. 1048-1131) of the poems known as the Rubaiyat ('quatrains'), first translated into English in 1859 (4,7) |
| STEEL | Author of 179 books including A Perfect Stranger and Friends Forever ; one of the bestselling writers of all time (5) |
| CHRISTIE | Known as the "Queen of Crime", the bestselling novelist of all time (8) |
| NIVEN | David -; actor in the 1956 film Around the World in 80 Days who wrote the bestselling memoir The Moon's a Balloon (5) |
| LEGO | From the Danish meaning "play well", construction set which is one of the bestselling toys of all time (4) |
| JANETTEOKE | The long-running drama series "When Calls the Heart" is based on the work of this bestselling Canadian author: 2 wds. |
| JACKAL | The Day of the -, bestselling spy novel (6) |
| ADELE | Singer with the bestselling album of the 21st century |
| RUBIKSCUBE | 3-D puzzle; one of the bestselling toys of all time (6,4) |
| SHADES | "50 ___ of Grey" (2015 film based on a bestselling novel of the same name) |
| NICHOLASEVANS | English journalist and novelist whose 1995 novel is one of the bestselling books of all time (8,5) |
| WESLEY | Author of at least 10 bestselling novels written in her 70s including Jumping the Queue, The Camomile Lawn and Harnessing Peacocks (6) |
| CRITCH | St. John's, Newfoundland born comedian Mark whose last name is the missing word of his bestselling book 'Son of a ___' |
| AGATHA | ___ Christie, English crime writer who is the bestselling novelist of all time (6) |
| GLENCONNER | Lady Anne -; author of a bestselling memoir who was a maid of honour at the Queen's coronation and Princess Margaret's lady-in-waiting (10) |
| SEWELL | Author whose classic tale Black Beauty is one of the bestselling children's books of all time (6) |
| RODSTEWART | British rock singer, born 1945, one of the bestselling artists of all time (3,7) |
| CLARK | Who was the bestselling British female vocalist of the 1960s? (6,5) |
| PETULA | Who was the bestselling British female vocalist of the 1960s? (6,5) |