Cosmic Rays see also Cosmic Ray Berezinskii, Veniamin Sergeevich; Bulatov, S.; Dogiel, V.; Ginzburg, Vitalii Lazarevich; and Ptuskin, V. (Eds.). Astrophysics of Cosmic Rays. Amsterdam, Netherlands: North-Holland, 1990. 534 p. $200. Clay, Roger and Dawson, Bruce. Cosmic Bullets: High Energy Particles in Astrophysics. Perseus, 1999. 208 p. $12. Friedlander, Michael W. Cosmic Rays. Cambridge, MA: Harvard University Press, 1989. 160 p. $15.50. Gaisser, Thomas K. Cosmic Rays and Particle Physics. Cambridge, England: Cambridge University Press, 1990. 279 p. $23.50. Montgomery, Donald Joseph. Cosmic Ray Physics. Princeton, NJ: Princeton University Press, 1949. 370 p. Sandstrom, Arne Eld. Cosmic Ray Physics. Amsterdam, Netherlands: North-Holland, 1965. 421 p. Shapiro, Maurice M. (Ed.). Composition and Origin of Cosmic Rays. Dordrecht, Netherlands: Reidel, 1993. $114.