Happy Street je úspěšná řada učebnic pro děti, které už jsou schopny začít číst a psát v angličtině. V učebnicích Happy Street děti pronikají do světa postav známých z Happy House v širším kontextu a poznávají také souseda Grega a jeho pejska Flossy.
As he climbs into the sidecar of Hagrid's motorbike and takes to the skies, leaving Privet Drive for the last time, Harry Potter knows that Lord Voldemort and the Death Eaters are not far behind.
The Triwizard Tournament is to be held at Hogwarts. Only wizards who are over seventeen are allowed to enter – but that doesn't stop Harry dreaming that he will win the competition.
Dark times have come to Hogwarts. After the Dementors' attack on his cousin Dudley, Harry Potter knows that Voldemort will stop at nothing to find him.
Irena Štěpánová in this book explores Isaac Newton’s engagement with ancient wisdom, the Hexameral tradition, Hermeticism, theology, alchemy as well as natural philosophy.