Genius Book of Number Puzzles\nby Lisa Regan\nPaperback\nEnglish\n\nBrand new copy from BookCurl \u2013 the UK independent online bookseller.\n\n------------------------------\nBook details\n------------------------------\nAuthor: Lisa Regan\nTitle: Genius Book of Number Puzzles\nFormat: Paperback\nLanguage: English\nPublisher: Arcturus Publishing\nPublication year: 2025\nISBN-13: 9781398833562\nISBN-10: 1398833568\n\n------------------------------\nDescription\n------------------------------\nLisa Regan is the author of more than 400 published titles, including puzzle books, children's reference, licensed characters, and curriculum-linked workbooks. She lives in Colchester with her husband and two sons.\n\nGiovana Medeiros is an illustrator from Brazil with a love of vibrant colour and international travel. She graduated in Fashion Design in Criciuma, her hometown, then studied Illustration at BCFE in Dublin. In the early part of her career she created print designs for apparel, but.