Best Selling Books by Welwyn Wilton Katz

Thirteen-year-old Laney and fourteen-year-old Tom form an uneasy alliance after finding rare Indian false face masks and realizing their terrifying power.

In this interpretation of the Arthurian legend, fifteen-year-old Morgan Lefevre is mistaken for one of her ancestors while visiting England, summoned to the alien world of Nwm, and caught between the opposing cruelties of the two Magics.

A prose version of the classic poem in which a man with superhuman strength faces a battle with a dragon.

In the year 2030, the city of Ottawa is protected from pollution by a dome. There are only a few spots of wilderness in the world. Sara and her brother, Karl, travel with their grandmother to the North Pole to fight a last environmental crusade. When they arrive, Sara learns Karl is planning a crazy experiment involving time travel. Soon, all that has made made Sara feel safe vanishes. (Available now)

This "School Library Journal" Best Book of the Year, now available in paper, tells a riveting environmental tale about two teenagers in love, and their bond with a mother gray whale and her baby.

Summering with his father on the Channel Island of Guernsey, fourteen-year-old Mike perceives inexplicable, but undeniable, signs of witchcraft which seem directed at destroying his friends.

Thirteen-year-old Ben, unhappy with his new home in Newfoundland and haunted by memories of his mother, becomes increasingly absorbed with the remains of a Viking settlement which inspire him to build and sail a model ship in her honor.

The Aubrey children are transported to mysterious world by a sorceress and a prince to help defeat the Red Guard, an evil force which has kept the world in darkness for over 700 years.

Thrilled to land a summer job on a major production of "Macbeth" sixteen year old Kinny soon finds everything going dangerously wrong especially after she acquires a seemingly ordinary old mirror from the junk shop.

Mike sta trascorrendo le vacanze estive con il padre sull''isola di Guernsey, nel canale della Manica. Durante la notte, strani bagliori lampeggiano sulla collina di Trepied, proprio vicino alla casa in cui alloggiano. La sua amica Lisa è convinta che lì, attorno a un''antica tomba, un gruppo di streghe si raduni per celebrare oscuri rituali. Mike, cresciuto con la convinzione che tutto abbia una spiegazione razionale, non le crede, finché un''inquietante catena di eventi non lo costringe a mettere in discussione le sue idee. Un vicino di casa muore all''improvviso, forse avvelenato, il padre di Lisa è vittima di una misteriosa malattia, un prezioso libro sulle arti occulte svanisce nel nulla... E quando una notte è Lisa stessa a sparire, Mike capisce che non c''è più tempo per i dubbi: è ora di agire anche se questo significa che dovrà affrontare le sue paure più profonde.

Eine irokesische Ritualmaske, die Laney (12) in ihrer kanadischen Heimatstadt findet, bringt sie und ihren halbindianischen Freund Tom in ungeahnte Schwierigkeiten.

Twee jongeren, die om heel verschillende redenen zijn betrokken bij een natuurbehoudproject in Californië, delen hun interesse voor de walvissen en voor elkaar.