First Across the Continent recounts the Lewis and Clark expedition of 1804-1806, transforming journals of exploration into a clear, vigorous narrative for general readers.
Explore the big world under the waves with the Junior Scientists series for kids ages 6 to 9The oceans are full of creatures that are beautiful and strange.
Take a journey to a vanished world with the ADVENTURES IN TIME series - stories so exciting you won't believe they're all true'An invisible tremor ran through the Aztecs on the rooftops, a breathless gasp of excitement.
Immerse yourself in the fascinating stories of ten real-life sea monsters, the myths and legends surrounding them, their discoveries and how they survive today.