The most popular siblings books of 2026

Books about siblings capture a bond like no other. Brothers and sisters share a childhood, compete for attention, keep each other's secrets and sometimes stop speaking for years. These stories are full of rivalry and loyalty, and of the particular way siblings know exactly where to press. This list shows the ones first published in 2026.

Results

The Break Up
Cover of The Break Up

The Break Up

Kristin Darell

Published 2026

192 pages