ch. 1. Photoexcitation of free radicals and molecular ions trapped in rare-gas solids / Marilyn E. Jacox -- ch. 2. Metal atom reactions to form novel small molecules / Lester Andrews -- ch. 3. Conformational changes in cryogenic matrices / Rui Fausto, Leonid Khriachtchev, and Peter Hamm -- ch. 4. Photodynamics at low temperatures, in time domain / V. Ara Apkarian and Mika Pettersson -- ch. 5. Matrix isolation of H and D atoms : physics and chemistry from 1.5 to 0.1. K / Vladimir V. Khmelenko, David M. Lee, and Sergey Vasiliev -- ch. 6. Matrix isolation spectroscopy in solid parahydrogen : a primer / Mario E. Fajardo -- ch. 7. Matrix isolation spectroscopy in helium droplets / Kirill Kuyanov-Prozument ... [et al.] -- ch. 8. Cryogenic solutions as a tool to characterize red- and blue-shifting C-H...X hydrogen bonding / Wouter A. Herrebout and Benjamin J. van der Veken -- ch. 9. Low-temperature infrared spectroscopy of surface species / Alexey Tsyganenko -- ch. 10. Photolysis and radiolysis of water ice / Robert E. Johnson -- ch. 11. Cool interstellar physics and chemistry / Alexander G.G.M. Tielens and Louis J. Allamandola -- ch. 12. High-resolution single-molecule spectroscopy in condensed matter / Michel Orrit and William E. Moerner -- ch. 13. Noble-gas chemistry / Wojciech Grochala, Leonid Khriachtchev, and Markku Rs̃ñen -- ch. 14. Modeling structures and spectra of trapped species in low-temperature matrices / Alexander Nemukhin and Bella Grigorenko -- ch. 15. Spectroscopy of biological molecules at very low temperatures : theoretical studies / R. Benny Gerber and Jiri Sebek.