The book highlights the immense challenges faced by Filipino immigrants, including racism, exploitation, and economic hardship. Despite these obstacles, Bulosan's narrative showcases the resilience and determination of immigrants to build a better life in America.

Bulosan's journey is also a quest for identity and a sense of belonging in a foreign land. The memoir delves into the internal conflicts and cultural dislocation experienced by immigrants as they navigate between their heritage and the new world they inhabit.

Throughout his struggles, Bulosan finds strength in the solidarity and support of the Filipino community and other marginalized groups. The theme of community and collective action is central to the narrative, emphasizing the importance of unity in the face of adversity.