6 Year Digital Hybrid Classroom Package (Quantity 15) Grade 4: HMH Escalate English with 6 Year Digital Hybrid Classroom Package (Quantity 15) Grade 4 Escalate English® Grade: 4 Material Type: Student Materials Format: Mixed Kits ISBN-13/EAN: 9780544954694 ISBN-10: 0544954696 Product Code: 1660658 National/State: California Copyright Year: 2017