ISBN-13: 9781537164892 / Angielski / Miękka / 2016 / 266 str.
Three years after her father's tragic death, Kossara receives a mysterious phone call and a lucrative job offer. Eager to relaunch her academic career, she silences the voice of caution and accepts the proposal which requires that she return to her native Bulgaria. There she discovers that what seemed like an innocent research opportunity is a race against death. Aided by her friends, she struggles to locate a valuable document only to realize that it must remain hidden forever.