David Walliams continues to take the literary world by storm. His tenth novel, BAD DAD, was an immediate number one, following the triumph of THE MIDNIGHT GANG, the biggest-selling children's book of 2016. THE WORLD'S WORST CHILDREN 2, spent four weeks at industry number one.

David's books have now exceeded 100 non-consecutive weeks at children's number one, and have been translated into 53 languages, selling more than 35 million copies worldwide.

Tony Ross was born in London in 1938. He went to art school in Liverpool and has since worked as a typographer for design and advertising agencies. His cartoons have appeared in Punch, Town, Time and Tide and the News of the World. His first book Hugo and the Wicked Winter was published in 1972. Tony has since written over 100 books and illustrated over 2000! Two of his creations, Towser and The Little Princess have been turned into TV series.
Tony lives in Wales.

Millions of young readers have loved the World's Worst Children tales - now they will revel in this delightfully dreadful collection of the most gruesome grown-ups ever: The World's Worst Teachers. From the phenomenally bestselling David Walliams and illustrated in glorious colour by the artistic genius, Tony Ross.

Millions of young readers have loved the World's Worst Children tales - now they will revel in this delightfully dreadful collection of the most gruesome grown-ups ever: The World's Worst Teachers. From the phenomenally bestselling David Walliams and illustrated in glorious colour by the artistic genius, Tony Ross.

Think your teachers are bad? Wait till you meet this lot. These ten tales of the world's most splendidly sinister teachers will have you running for the school gates. Dr Dread teaches science and is half man, half monster... Watch out for the ghastly Miss Seethe. She is ALWAYS furious - and she's on a detention rampage. And as for Phobe, he's a teacher with a real difference. He is bone-shakingly terrified of... children!

Millions of children have loved the World's Worst Children - now they will revel in this delightfully dreadful collection of the most gruesome grown-ups ever, The World's Worst Teachers. Brought to you by number one bestselling author, David Walliams, with every story illustrated in glorious colour by artistic genius, Tony Ross.