When an enemy makes overtures of friendship, is anyone safe? An unexpected invitation from wily King Frederick causes composer Joseph Haydn to fear he's walking into a trap. After all, the Prussian King has never had any use for Haydn's music. His Majesty seems more intrigued at Haydn's being the son of a market-judge. Worse still, the invitation appears to stir up suspicion in the highest quarters in Vienna. So much so that a mysterious, cloaked lady visits Haydn's Music Room and issues a thinly veiled threat. Now Haydn is convinced there's mischief afoot. But not even he can foresee that he will stumble upon the corpse of the imperial ambassador a day after his arrival in Frederick's Prussia, along with evidence that His Lordship may have been a common thief. Can Haydn salvage the imperial ambassador's reputation--and find his killer? Praise for the Joseph Haydn Series "A standout in the genre of historical mysteries. An encore is requested!" Midwest Book Review "Tustin occupies a unique niche in the historical mystery world." Edith Maxwell, Agatha-nominated author of Delivering the Truth "Wonderful read for fans of historical cozy mysteries. . .The characters are strong and the writing is smooth. . ." Books a Plenty Book Reviews "An interesting journey and Haydn is a likable main character." Christa Reads and Writes "Vivid historical descriptions, intricate details, and a fascinating central character kept me turning the pages. Bravo!" Amanda Carmack, award-winning author of The Elizabethan Mystery Series