doesn't run. any suggestion?

[purusingh]

PS C:\Users\purus\source\hypothesis-reader> npm start

hypothesis-reader@0.0.2 start C:\Users\purus\source\hypothesis-reader
./node_modules/http-server/bin/http-server

'.' is not recognized as an internal or external command,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! hypothesis-reader@0.0.2 start: ./node_modules/http-server/bin/http-server
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the hypothesis-reader@0.0.2 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\purus\AppData\Roaming\npm-cache_logs\2018-09-04T13_23_13_153Z-debug.log
PS C:\Users\purus\source\hypothesis-reader>