mglearnがインストールできません

前提・実現したいこと

O'REILLYのPythonではじめる機械学習で使われているmglearn のインストールが
できません。
OS windows7
python 3.6.4

発生している問題・エラーメッセージ

jupyernotebook で
! pip install mglearn
とすると以下のエラーが出ます。Anaconda Promptでも同様です。

Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x03BEFB10>: Failed to establish a new connection: [Errno 11004] getaddrinfo failed',)': /simple/mglearn/
Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x03BEF810>: Failed to establish a new connection: [Errno 11004] getaddrinfo failed',)': /simple/mglearn/
Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x03BEF870>: Failed to establish a new connection: [Errno 11004] getaddrinfo failed',)': /simple/mglearn/
Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x03BEF930>: Failed to establish a new connection: [Errno 11004] getaddrinfo failed',)': /simple/mglearn/
Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x03BEF910>: Failed to establish a new connection: [Errno 11004] getaddrinfo failed',)': /simple/mglearn/
Could not find a version that satisfies the requirement mglearn (from versions: )
No matching distribution found for mglearn
You are using pip version 9.0.1, however version 10.0.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.