Shelkya kavita, Marathi, August 2008 :
Transcreations of renowned American poet /cartoonist Shel Silverstein. Co-authored with Dr. Jayant Gadgil. We did a novel experiment here. On the left page of the book, is the poem which nears Shel's original verse, and on the right is another reflection of the same translated poem by the other co-author with a different theme or perception. Readers from all walks of life welcomed this experiment.

Aranayrudan, Marathi, May 2009 :
In this candid book, Santosh exposes the sinister nexus of Industry, politics and forest mafias who are plundering India 's natural wealth. The book is divided in 4 sections-nature and humans, India 's tiger crisis, Nature and governance and future actions. Although a compilation of various articles published from year 1998 to 2009, the book has its reference value for social doers, environmental journalists, conservationists and society at large. Additional footnotes and references have enhanced it.

Environmental sciences-work books for 8th, 9th
    & 10th standards (Macmillan India Ltd. 2007)
    Marathi :
Co-authored with Dr.Jayant Gadgil. Content in these books is specific. Though pertaining to the syllabus, it surpasses its brief many a times and gives true and valuable inputs for the school children.

It also has lot of mini projects suggested, to increase the understanding of this vital topic. We got an unprecedented response for these workbooks. Each of them surpassed a sale of 30,000 copies-and still selling!