Guogeng, well-known environmental expert, claims himself “four beasts in one”. He is vice-director of Beijing Museum of Elk Garden and Beijing Biodiversity Conservation and Research Center, senior engineering at Associate Professor Level, council member of environmental association Friends of Nature and member of editorial board of Wild Animals. For years, he continually writes and finished many works, including the following publications:

In 2009, Hubei Children's Publishing House  <Humans and Animals >
In 2007, Chemical Industry Press <GuoGeng About Nature Conscience > 2005 Chemical Industry Press<Sad Melody of Wildlife>
In 2003, Flower City Publishing House <Monkey Intimacy>
In 2002, BeiJing Publishing House <Wildlife Anecdote>
In 2001, Tianjin Education Press<Last Song of Animal>
In 1999, China Environmental Science Press <Extinction Elegy>
In 1994, Popular Science Press <A Guide to All Monkey>
<300 Tang Poems of Bird Song>
<Heaven and Wolf Heart>
<Extinct Mammals>
<Museum Exploration>
<Ecological Civilization and Green Life>
<Earth Ethics>
<101 Environment Little Things>
<Reading Poems and Watch Creature>