In this tour de force, Doctorow (Little Brother) uses the contradictions of two overused SF themes—the decline and fall of America and the boundless optimism of open source/hacker culture—to draw one of the most brilliant reimaginings of the near future since cyberpunk wore out its mirror shades. Perry Gibbons and Lester Banks, typical brilliant geeks in a garage, are trash-hackers who find inspiration in the growing pile of technical junk. Attracting the attention of suits and smart reporter Suzanne Church, the duo soon get involved with cheap and easy 3D printing, a cure for obesity and crowd-sourced theme parks. The result is bitingly realistic and miraculously avoids cliché or predictability. While dates and details occasionally contradict one another, Doctorow’s combination of business strategy, brilliant product ideas and laugh-out-loud moments of insight will keep readers powering through this quick-moving tale. (starred review)