Smale, Holly, Head over heels / Holly Smale. - London : HarperCollins, 2016. - 445 pages ; 23 cm. - Geek girl ; 5 . 11+. ISBN: 9780007574650 Nat. Bib. No.: GBB5H2949 bnb Nat. Bib. Agency Control No.: 017651222 Uk Dewey Class. No.: 823.92