Geek Girl, The #04 - All That GlittersAuthor: Holly Smale Age: 11+ English Page: 464 Paperback 12. 95 x 3. 56 x 19. 56 cm The Geek Girl Series My name is Harriet Manners, and I have always been a geek. The fourth book in the award winning GEEK GIRL series. Harriet Manners knows many things. She knows that toilet roll was invented by the Chinese in 600 AD. She knows that a comets tail always points away from the sun. And she knows that the average healthy heart beats 70 times per minute.