Number and word puzzlesde Roy PrestonMateriasArithmeticProblems, exercisesJuvenile literatureVocabularyEdiciones (1)Number and word puzzles (2006)Egmont · inglés · ISBN 9781405223430Más obras de Roy PrestonThe Great British Quiz Book 5000 Questions To Test Your Knowledge Of The United KingdomTTravel teasersTravel teasers"" Countdown " Superchallenge" Countdown " Superchallenge