★ This highly anticipated addition to Spain's young adult crime fiction scene features the author stepping into the spotlight as the sharp-tongued old lady, Berta Vogler, to embark on a brand-new investigative journey.
★ A masterful blend of humor and supernatural elements injects a unique vitality into the suspense genre, delivering a refreshing reading experience.
★ The series has successfully sold international rights in numerous countries, including France, Russia, Poland, Iran, and Turkey, with its unique charm recognized by the global market.
★ Award-winning author Beatriz Osés has garnered prestigious accolades such as the Lazarillo Prize and the El Barco de Vapor Award. With multiple works shortlisted for national literary prizes, she is a bestselling author known for both critical acclaim and popular appeal.
★ An elderly lady with a past, a troublesome grandson, and a series of accidental crimes—the humor and suspense of this series will keep even the most discerning young readers turning page after page.

This series includes 3 titles:
After the Endgam
Terror in the Ancient Tomb
The Dragonborn Decree

My name is Berta Vogler, and I am a crime novelist. Fate saw fit to grant me an insufferable grandson named Eric—a freak of nature endowed with supernatural abilities. It is thanks to his various misadventures that I was able to launch my literary career with *The Sin of the White King*. Do you remember that book? Around that same time, I met Albert Zimmer, a charismatic young man whom I regard as family; and the enigmatic Chloe, a young Frenchwoman to whom both men were fatally attracted. I have always lived life to the fullest, and even more so in recent years: I have discovered countless corpses, conducted numerous investigations, and narrowly escaped death on several occasions... *** As specialists in solving cases involving suspected supernatural phenomena, the team composed of Berta, Eric, Albert, and Chloe is summoned to Samobor, near Zagreb, to investigate two murders linked to the legend of the Black Queen. Curiously, this Black Queen supposedly died in the 15th century!

Beatriz Vogler (Madrid, 1972). Writer, literature teacher, and journalist. Author of the Erik Vogler crime saga, composed of eight titles that precede the Albert Zimmer trilogy. This mystery collection, published by Edebé, has been translated into French, Russian, Polish, Persian, and Turkish. Osés has been awarded the Lazarillo Prize, the Ciudad de Orihuela Poetry Prize, the La Brújula Prize for the Edebé Prize for Children’s Literature for Soy una nuez, and the Barco de Vapor Prize. Her book El columpio de Madame Brochet was a finalist for the National Prize for Children’s and Youth Literature. As a teacher, she has received the Joaquín Sama Award for educational innovation and the Francisco Giner de los Ríos Award for improving educational quality.