The yellowish fruit in your box is a Mexican pear guava.  You might remember having it's cousin, the strawberry guava, in your box a few weeks ago.  This one tastes like a tropical pear.  There are more than 150 different types of guavas in the world.

Spanish and Portuguese sailors in the 17th century introduced guava to many parts of the world.  If you were a sailor, exploring the world for the first time, what food would you be most excited to share?