The Dog Days of Summer are here! Fetch $10 off orders of $30 or more with Code DOG7 before Wednesday, August 19, and sniff out savings on books sitewide. Beach lovers dive into the incredible world of ocean and seashore life. Ever wonder how rivers carve canyons or where water goes after it rains? These books break it down: Fluvial Processes in Geomorphology and Dynamics of Fluids in Porous Media. Explore the building blocks of modern mathematics in Structure of Algebras and Lectures on Elementary Number Theory. Or settle down with women’s histories and cozy mysteries. Shop now!