Among the latest science titles are two from award-winning authors whose books regularly appear on the nonfiction best-seller lists. Unlike most previous books on Covid-19, which have focused on the medical drama of the pandemic, David Quammen’s Breathless takes a purely scientific perspective on the struggle to understand the virus. Siddhartha Mukherjee’s The Song of the Cell explores recent developments in the field of cellular therapy, which promises great advances in combating conditions such as cancer (the subject of Mukherjee’s Pulitzer Prize-winning The Emperor of All Maladies).