Suggestions for teaching eighth-grade students to write 20 different types of poetry are presented in this unit from the Greenfield Express Management System (GEMS) program, a California Demonstration Program in Reading. A project overview form from the California Centers for Educational Improvement (CCEI) describes the GEMS program and lists other units included in the program. The poetry unit includes: (1) objectives for students; (2) suggested activities for fulfilling a student learning contract; (3) a list of recommended locally available audiovisual materials; (4) an 11-item bibliography of anthologies representing a variety of types of poetry; and (5) explanations and examples of 20 types of poetry. The following types of poetry are included: name poems, subject poems, clerihew, terse verse, ABC poems, onomatopoeia, simile, concrete poems, cinquain, haiku, "I wish" poems, "I used to" poems, "who am I" poems, diamond poems, people poems, impression poems, sneaky poems, free verse poems, rhyming poems, and limericks. (DC)