"For practicing engineers and academic researchers, Grimble...systematically surveys recent developments in control and estimation, emphasizing applications." (SciTech Book News Vol. 25, No. 2 June 2001) "...of interest to students in a course on control systems design or to engineers in the industry." (Zentralblatt MATH, Vol. 966, 2001/16)"...the control community can be grateful to Prof. Grimble for providing a significant resource..." (Computing & Control Engineering Journal, December 2002)