var marklogic = require('marklogic');
var conn = {
    host: '192.168.33.10',
    port: 8040,
    user: 'admin',
    password: 'admin',
    authType: 'DIGEST'
}

var db = marklogic.createDatabaseClient(conn);

db.createCollection(
  '/books',
  {author: 'Beryl Markham'},
  {author: 'WG Sebald'}
  )
.result(function(response) {
    console.log(JSON.stringify(response, null, 2));
  }, function (error) {
    console.log(JSON.stringify(error, null, 2));
  });

D:maroonparallax>node test.js
{
  "message": "write document list: cannot process response with 500 status",
  "statusCode": 500,
  "body": "<error:error xsi:schemaLocation="http://marklogic.com/xdmp/error error.xsd" xmlns:error="http://marklogic.com/xdmp/error" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">n  <error:code>XDMP-IMPMODNS</error:code>n  <error:name>err:XQST0059</error:name>n  <error:xquery-version>1.0-ml</error:xquery-version>n  <error:message>Import module namespace mismatch</error:message>n  <error:format-string>XDMP-IMPMODNS: (err:XQST0059) Import module namespace http://marklogic.com/rest-api/endpoints/config does not match target namespace http://marklogic.com/rest-api/endpoints/config_DELETE_IF_UNUSED of imported module /MarkLogic/rest-api/endpoints/config.xqy</error:format-string>n  <error:retryable>false</error:retryable>n  <error:expr/>n  <error:data>n    <error:datum>http://marklogic.com/rest-api/endpoints/config</error:datum>n    <error:datum>http://marklogic.com/rest-api/endpoints/config_DELETE_IF_UNUSED</error:datum>n    <error:datum>/MarkLogic/rest-api/endpoints/config.xqy</error:datum>n  </error:data>n  <error:stack>n    <error:frame>n      <error:uri>/roxy/lib/rewriter-lib.xqy</error:uri>n      <error:line>5</error:line>n      <error:column>0</error:column>n      <error:xquery-version>1.0-ml</error:xquery-version>n    </error:frame>n  </error:stack>n</error:error>n"
}