Trio Series Student Set Level 3 $97.20 Quantity discounts available QuantityPrice SKU: 7376 Quantity -+ Request A Quote Request A Trial Login Details This Low Intermediate level set offers one student book from each subject area—Reading 3, Writing 3, and Listening and Speaking 3. ... DetailsBackDetailsThis Low Intermediate level set offers one student book from each subject area—Reading 3, Writing 3, and Listening and Speaking 3. Trio is a 3-level academic skills series that prepares beginning English students for academic success through step-by-step instruction. ELL Level: Low Intermediate