Rosita is very excited about the new book she ordered. It is about Lola, a little girl from Mexico, just like Rosita. Chris begins reading the story but Rosita stops him, frustrated that it is just like the other books she has. Rosita explains that there is so much more to being Mexican than siestas, sombreros and burros. She wishes that there was a book that showed how she really lived. Mando felt the same way when he was young, and he decided to write his own book. He suggests that Rosita writes her own book about her life on Sesame Street and what being Mexican means to her. She decides to title her book Mi Amiguita, Rosita ("My Little Friend, Rosita"), but she does not know what should come next. While Rosita tries to figure out what to write, Zoe and Elmo ask if Rosita would like to do a dance they saw performed by a Mexican dance company. Abby asks Rosita to play a Mexican folk song about little chicks, "Los Pollitos," on her guitar, and Telly and Baby Bear ask Rosita to play "...