A pulsing ball of light gives two kids the astonishing ability to bring things back to life in this “eerie and hopeful” (Kirkus Reviews) and hugely fun look at what they’ll do to make their family whole again, from the author of The Last Invisible Boy.

After a lightning strike, when twin brother and sister Fenton and Fiona find a ball of light in their backyard, things get…weird. Especially when Fenton figures out it can bring things back to life. Everything from bugs, to...