3 engineer bks Environmental Lindeburg NCEES PE Environmental Practice Unit Conv

3 engineer books- PE Environmental Lindeburg, NCEES PE environmental practice, Unit Conversions includes 3 Professional Engineering review study books for Environmental Engineering **these helped my brother pass the exam the very 1st time** 1- PE Environmental Review by Michael Lindeburg PE for the NCEES PE Environmental Exam PPI2PASS.com 3rd Edition July 2020 this book is in used condition, shows wear, see pics of wear not written in, fine to use to study from thick, larger paperback book still great to study from, no writing in it 1- PE environmental practice exam by NCEES - advancing licensure for engineers & surveyors copyright 2021 used, good condition shows crease on front cover rest of book is very good, no writing in it 1- Engineering Unit Conversions Fourth 4th Edition of the book by Michael R. Lindeburg, PE copyright 2019 looks brand new, he never used this book, still like new no writing in it originally $79 no bundling as the 3 books are over 4 pounds without box & packaging smoke free home see pics for details as pics are part of the description pics will be taken during packaging