Daniel Silva pits Gabriel Allon against ISIS in ‘The Black Widow’

Here’s what’s new in bookstores this week:

▪ The Black Widow, by Daniel Silva (HarperCollins, $27.99) — The bestselling author’s 16th installment in the Gabriel Allon series finds Allon in line for a promotion. But before that, a final operation pits him against a mastermind with ISIS. Silva will discuss his book at 7 p.m. July 17 at the Zale Auditorium in the Aaron Family Jewish Community Center, 7900 Northaven Road, Dallas, 214-239-7128. Cost is $25, including a signed book.

▪ Jonathan Unleashed, by Meg Rosoff (Viking, $25) — The author, known for her award-winning books for young readers, makes her adult fiction debut with the story of New Yorker Jonathan Trefoil and his search for the meaning of life, specifically his own. Everything’s a mess until he’s asked to look after his brother’s dogs — a border collie and cocker spaniel. Lucky for Jonathan, man’s best friends work wonders for him.

▪ Under the Harrow, by Flynn Berry (Penguin Books, $16) — The author, a graduate of the Michener Center for Writers in Austin, makes her debut with a twisty psychological thriller about two sisters. When Nora heads to the English countryside to visit her sister, she walks into her house to find Rachel murdered. Nora, an emotional wreck, is obsessed with finding out what led up to Rachel’s death, who did it and who she can trust.

Celeste Williams