The Psychology of Time Travel

stark gebraucht, Ecken und Kanten z.T. stark angeschlagen, Knicke im Buchrücken und im Cover, v.a. hinten, Momox-Aufkleber, Buchrücken löst sich innen etwas

Four female scientists invent a time travel machine in 1967. But then one of them suffers a public breakdown and puts the whole project in peril...
2017: Ruby knows her Granny BEe was the scientist who went mad, but they never talk about it. Until they receive a message from the future, warning of an elderly woman's violent death...
2018: Odette found the dead woman at work - shot in the head, door bolted from the inside. Who was she? And why is everyone determined to cover up her murder?

k.A.