With Valentine's Day coming up, here are three books that look at love in the 21st century.
Data, a Love Story: How I Cracked the Online Dating Code to Meet My Match (Plume) by Amy Webb is a funny and thought-provoking memoir about how a self-professed "data geek" gamed the system (used by 40 million people annually) to meet her husband.
Love Illuminated: Exploring Life's Most Mystifying Subject (With the Help of 50,000 Strangers) (William Morrow) by Daniel Jones, longtime editor of the New York Times' "Modern Love" column, examines what he has learned about the moral, philosophical and practical sides of love over the years.
The Science of Happily Ever After: What Really Matters in the Quest for Enduring Love (Harlequin) by Ty Tashiro is a psychologist's research-based advice on how to make the wisest choices about the traits you look for in a partner.
Colette Bancroft, Times book editor