Book excerpt: The laboratory companion to Introduction to the Biology of Marine Life by James L. Sumich and John F. Morrissey, this laboratory manual further engages students in the excitement and challenges of understanding marine organisms and the environments in which they live. Students will benefit from a more thorough examination of the topics introduced in the text and lecture through observation and critical thinking activities in the Laboratory and Field Investigations in Marine Life. Also, the lab manual includes suggested topics for additional investigation, which provides flexibility for both instructors and for students to explore further various topics of interest. The only lab manual of its kind, Laboratory and Field Investigations in Marine Life is the ideal complement to any marine biology teaching and learning package!