The book has 12 chapters, covering history of solar cooking, parabolic, fresnel, plane mirrors, box, panel and funnel types of solar cookers. A chapter on solar cookers for commercial application. Full chapter on testing and reporting of solar cookers,. Ways to conserve and store solar heat, do-it-yourself projects and tips and finally and Epilogue including evolution of solar cookers, guidelines for further research. More details can be had from web page, https://www.solcooker.net/Treatise.htm