Npm install error

[dendisuhubdy]

ws@0.4.32 install /home/books/epubjs-reader/node_modules/grunt-karma/node_modules/karma/node_modules/socket.io/node_modules/socket.io-client/node_modules/ws
(node-gyp rebuild 2> builderror.log) || (exit 0)

[dendisuhubdy]

When I opened the error log this comes out

33921 error EEXIST, mkdir '/home/books/epubjs-reader/node_modules/grunt-google-cdn/node_modules/bower/templates'
File exists: /home/books/epubjs-reader/node_modules/grunt-google-cdn/node_modules/bower/templates
Move it away, and try again.
33922 error System Linux 3.13.0-57-generic
33923 error command "/usr/bin/nodejs" "/usr/bin/npm" "install"
33924 error cwd /home/books/epubjs-reader
33925 error node -v v0.10.25
33926 error npm -v 1.3.10
33927 error path /home/books/epubjs-reader/node_modules/grunt-google-cdn/node_modules/bower/templates
33928 error fstream_path /home/books/epubjs-reader/node_modules/grunt-google-cdn/node_modules/bower/templates/help-completion.mustache
33929 error fstream_type File
33930 error fstream_class FileWriter
33931 error code EEXIST
33932 error errno 47
33933 error fstream_stack /usr/lib/nodejs/fstream/lib/writer.js:171:23
33933 error fstream_stack /usr/lib/nodejs/mkdirp/index.js:37:53
33933 error fstream_stack Object.oncomplete (fs.js:107:15)

[nidhigadhavi]

I am also, facing this same issue, please give some solution for the same.