A Pair of Blue Eyes' is a/an -

A Pair of Blue Eyes is a Novel by Thomas Hardy.

Thomas Hardy was an English novelist and poet.
His famous writings:
• The Return of the Native,
• The Mayor of Casterbridge,
• Tess of the d'Urbervilles,
• Far From the Madding Crowd,
• The Poor Man and The Lady,
• The Trumpet Major,
• Jude the Obscure,
• A Pair of Blue Eyes,
• Under the Greenwood Tree.

Confusing:
* The novel 'A Pair of Blue Eyes' is written by - Thomas Hardy. 
* The novel 'The Bluest Eye' is written by - Toni Morrison


Source: An ABC of English Literature, Dr M Mofizar Rahman and Encyclopedia of Britannica.