The Return of the Mountain...

Bouncing Back from Extinction (Series)

Sarah Machajewski Author
(2017)

Digging for Diamonds

Gemstones of the World (Series)

Sarah Machajewski Author
(2017)

Mark Pincus and Zynga

Internet Biographies (Series)

Sarah Machajewski Author
(2013)

Elon Musk

Breakout Biographies (Series)

Sarah Machajewski Author
(2017)

Steve Jobs

Computer Pioneers (Series)

Sarah Machajewski Author
(2016)

Weather and Climate Around...

Spotlight On Weather and Natural Disasters (Series)

Sarah Machajewski Author
(2018)