Kris Hirschmann

GUINNESS WORLD RECORDS

2010

Sticky, Stinky Science Book

2018

Whose teeth are these?

2014

Whose feet are these?

2014

Weathering and Erosion

2013

Triple trouble time

2014

Forecasting!

2008

Earth's Oceans

2013

Earth's Lithosphere

2013

Earth's Freshwater Bodies

2013

Whose Tail Is This?

2014

Vampires in literature

2011

Utah

2003

Understanding Sexual Identity and Orientation

2017

Twister!

2008

Tickety Toc

2014

Space and the Planets

2003

South Dakota, the Mount Rushmore state

2003