Susan L. Roth

The year after Grandpa's death, Ben's family spends Christmas in Puerto Rico, where Grandma makes sure the holiday still has some familiar elements while being a little different.

"A cumulative verse, alternating with additional narrative, describes the ecological and social transformation resulting from the work of Dr. Gordon Sato, a Japanese American cell biologist who made saltwater and desert land productive through the planting of mangrove trees in the tiny African country of Eritrea. Includes afterword, photographs, glossary, and author's sources"--Provided by publisher.

A guinea pig tells her child the true story of giant guinea pigs that lived in Venezuela about eight million years ago.

"A combined history of the Puerto Rican parrot and the island of Puerto Rico, highlighting current efforts to save the Puerto Rican parrot by protecting and managing this endangered species"--Provided by publisher.

The story of Guido d'Arezzo, a young man from Tuscany who created a system of lines and spaces that can be used as a written language of music.

"A combined history of the Hawaiian islands and the native Kamehameha butterfly up to and including current-day efforts of Hawaiʻi's Pulelehua Project, a group of professional and citizen scientists working to restore the butterfly's declining habitats and population. An afterword with additional information, photographs, and source list is included"--