1998 Larson Interactive Real-Life Investigations for Heath Algebra 1: An Integrated Approach (Package) ***Contains: #0395878349 Teacher's Guide(TE)(P) [***ISBN-13: 9780395878347 ***42 Pages] & #0395878381 CD-ROM for Macintosh and Windows(CD) [***ISBN-13: 9780395878385] ***Complete Package with Above Two Components ***ISBN-13: 9780395878316 ***Condition: Good Used