Alexander McCall Smith 
Lost Art of Gratitude 

The sixth book in this bestselling series gives us Isabel, intrigue both moral and financial a fox bite, two engagements and at least one wedding!While attending a second birthday party with her son, Charlie, Isabel meets Minty Auchterlonie, a ruthlessly ambitious high-flying financier who first appeared in The Sunday Philosophy Club. Minty heads a small investment bank and may or may not be deceiving her shareholders. Isabel faces a dilemma: she has information which could prevent the investors from being cheated but how can she be sure of it? Meanwhile, Isabels niece, Cat, becomes engaged to a stunt man who is also a funambulist. However, the fianc is about to take up a highly dangerous engagement that Isabel fears will end in disaster, even as Isabel herself considers embarking on an extreme adventure of her own From the Hardcover edition.