这是一场扣人心弦的新冒险，充满了埋藏的秘密和黑暗的谎言，以引人遐想的爱德华时代为背景。

1910年5月。当炽热的哈雷彗星接近地球时，南希背井离乡，在萨福克与她从未见过的祖父开始了新的生活。南希被禁止离开她祖父的房子，每扇窗帘都被拉上：不能让任何人知道她和她母亲在那里。

然而，当南希发现房子里的秘密天文台时，她看到母亲和祖父每天晚上都悄悄地走出来...... 他们要去哪里？为什么不能让人看到他们？谜团越来越多，让南希不得不将过去的黑暗秘密公之于众——即使这样做会使她自己的生命受到威胁。

From the award-

winning author of The Garden of Lost Secrets and The House of One Hundred Clocks, A.M. Howell, comes a gripping new adventure filled with buried secrets and dark lies, set against the evocative backdrop of the Edwardian era.

MAY, 1910. As the blazing Halley's comet draws close to the earth, Nancy is uprooted to start a new life in Suffolk with a grandfather she has never met. With every curtain drawn shut, Nancy is forbidden from leaving her grandfather's house: no one must know that her or her mother are there.

Yet, when Nancy discovers the house's secret observatory, she watches her mother and grandfather creep out every night... Where are they going? And why mustn't any of them be seen? As the mysteries pile up, Nancy has to bring dark secrets from the past to light - even if doing so will put her own life at risk.