Ethan Kocak, with Quercus in 2017. In 2018 the pair published the follow-up called True or Poo?, a book about "poop and gross animal habits". Bibliography Does it Fart: The Definitive Field Guide to Animal Flatulence (with Nick Caruso), Hachette Books, 2018. True or Poo: The Definitive Field Guide to Filthy Animal Facts and Falsehoods (with Nick Caruso), Hachette Books, 2018. Believe it or Snot: The Definitive Field Guide to Earth's Slimy Creatures (with Nick Caruso), Hachette Books. 2019. References Living people British ecologists Women ecologists Science communicators 21st-century British zoologists Year of birth missing (living people)