New Zealand's Biggest Year is an epic birding tale of how two friends become rivals and set out to break the all-time record for the most Aotearoa New Zealand bird species seen in one calendar year. However, which of these two birders will become the all-time biggest year lister ? Publisher: John Beaufoy Publishing Ltd Author(s): Harry Boorman Illustration(s): 100 colour photographs, 30 route maps Number of pages: 264 Publication date: 2023 Dimensions: 229 x 151 x 17 Cover type: Paperback / softback