A King's Ransom by Jude Watson

In this thrilling installment of the Cahill family saga, Amy and Dan Cahill find themselves on a high-stakes mission to rescue their kidnapped guardian, Fiske Cahill, from the clutches of a nefarious organization known as the Vespers. As they race across Europe, deciphering cryptic clues and navigating treacherous alliances, the siblings must rely on their wits and courage to outsmart their cunning adversaries. With time running out and danger lurking at every turn, Amy and Dan face their greatest challenge yet, testing the limits of their loyalty and resilience in a desperate bid to save their family.

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