Memory of Water (Finnish: Teemestarin kirja, "The Tea Master's Book") is the debut novel by Finnish author Emmi Itäranta, published in 2014 by HarperCollins.

Set in a dystopian future where fresh water is scarce, it tells the story of Noria, a young tea master's apprentice, who must come to terms with a great secret and even greater responsibility that follows this knowledge.

[2] The Finnish manuscript won the Fantasy and Sci-Fi Literary Fiction contest organised by Teos in 2012 and was subsequently published.

[4][5][6][7] The novel also appeared on the 2014 James Tiptree, Jr. Award Honor List.

[8] In 2022, a film adaptation based on the novel was released, directed by Saara Saarela and starring Saga Sarkola.