A NATIONAL AND INTERNATIONAL BESTSELLERSHORTLISTED FOR THE BOOKER PRIZEA NEW YORK TIMES 2021 NOTABLE BOOK OF THE YEARA 2021 GLOBE AND MAIL BEST BOOK OF THE YEARAN OPRAH'S BOOK CLUB PICKAN INDIGO BEST BOOK OF THE YEAR From the Pulitzer Prize-winning and #1 New York Times bestselling author of The Overstory, an intimate and moving novel that asks an essential question: what are we doing to our children?Theo Byrne is a promising young astrobiologist who searches for life on othe