The Deptford Histories Series by Robin Jarvis

The year is 1664 when young Will Godwin comes to London. In order to survive, he becomes an assistant to a wicked alchemist, Elias Theophratus Spittle. On an errand one freezing night, Will finds a mother cat and her three kittens, and brings the family back to his master's lab. Among the bubbling bottles and evil smelling jars of his master's apothecary shop unfolds an extraordinary tale of villainy, sorcery, and murder... moreThe year is 1664 when young Will Godwin comes to London. In order to survive, he becomes an assistant to a wicked alchemist, Elias Theophratus Spittle. On an errand one freezing night, Will finds a mother cat and her three kittens, and brings the family back to his master's lab. Among the bubbling bottles and evil smelling jars of his master's apothecary shop unfolds an extraordinary tale of villainy, sorcery, and murder. The Deptford Mice trilogy witnessed the harrowing battles between the mice of Deptford and Jupiter, lord of darkness and treacherous disguises. Now in this gripping prequel, Jupiter's secret history is revealed. less

The second book of the Deptford Histories brings readers into a time when a series of dark wars between the bats and the squirrels has raged for years. The squirrel leader, the Starwife, has been betrayed and poisoned. As she lies dying, she summons a falcon to take the magic Silver Acorn to safety. Far away, the squirrel maiden Ysabelle is unaware of the devastating events. But she rescues the Silver Acorn and embarks on a perilous journey to return it... moreThe second book of the Deptford Histories brings readers into a time when a series of dark wars between the bats and the squirrels has raged for years. The squirrel leader, the Starwife, has been betrayed and poisoned. As she lies dying, she summons a falcon to take the magic Silver Acorn to safety. Far away, the squirrel maiden Ysabelle is unaware of the devastating events. But she rescues the Silver Acorn and embarks on a perilous journey to return it. Along the way, she meets Vespertilio, a young bat who has dreamed of waging battle against the squirrels. In this gripping prequel to the Deptford Mice trilogy, the battle of good and evil reaches new heights as Vesper and Ysabelle desperately attempt to save their lands from destruction. less

The final installment of the gripping Deptford Histories introduces Thomas, a grizzled seamouse haunted by the dark and deadly events of his past.