Capo on the 11th fret.
I'm not so sure about the name of the chords.
So I guess this is how Joe Brooks played it.

Chords used:
G = 320033
Dadd4 = 200033
Dmadd4 = 100033
Cadd9 = 032033
Em7 = 022033
D = 000232
Am = 002210
Cmaj7 = 022010
Cm = 335543

Intro:
G (320003@1) D (xx0232@1) Cadd9G (x32030@1)  Dadd4   Dmadd4   Cadd9

Verse 1:

Em7    D (xx0232@1)   Cadd9There (x32030@1)are no words, to paint a picture of you girl
Em7   D (xx0232@1)        Cadd9Your (x32030@1)eyes, those curves, it's like you're from some other world 
Em7  D (xx0232@1)    Cadd9 (x32030@1) 
You walk my way, oh God its so frustrating.

Pre chorus:

Cadd9
So why do I disappear when you come near, 
DIt (xx0232@1)makes me feel so small, 
Cadd9
Why do I blow my lines, most every time, 
DLike (xx0232@1)I've got no chance at all.

Chorus:

G (320003@1)                 Dadd4
If I could be your superman, 
   Dmadd4          Cadd9I'd (x32030@1)fly you to the stars and back again. 
G (320003@1)                  Dadd4
'cause everytime you touched my hand, 
    Dmadd4         Cadd9 (x32030@1) 
You feel my powers running through your veins. 
    G (320003@1)        Dadd4
But I can only write this song, 
    Dmadd4           Cmaj7And (x32000@1)tell you that I'm not that strong.
       Am (x02210@1)        Cm'Cause (x3101x@1)I'm no superman, I hope you like me as I am.

G (320003@1) D (xx0232@1) Cadd9G (x32030@1)  Dadd4   Dmadd4   Cadd9

Verse 2:

Em7  D (xx0232@1)   Cadd9Now (x32030@1)it ain't no lie, I have to tell you how I feel, 
Em7        D (xx0232@1)      Cadd9But (x32030@1)each time,that I try it gets a little more unreal, 
Em7  D (xx0232@1)   Cadd9 (x32030@1) 
You say my name, oh God I can't stop shaking.

Pre chorus:

Cadd9
So why do I disappear when you come near, 
DIt (xx0232@1)makes me feel so small, 
Cadd9
If I could read your mind, 
                    D (xx0232@1)                GGirl (320003@1)would I find, any trace of me at all.

Chorus:

G (320003@1)                 Dadd4
If I could be your superman, 
    Dmadd4         Cadd9I'd (x32030@1)fly you to the stars and back again. 
G (320003@1)                  Dadd4
'cause every time you touched my hand, 
    Dmadd4         Cadd9 (x32030@1) 
You feel my powers running through your veins. 
G (320003@1)            Dadd4
But I can only write this song, 
    Dmadd4           Cmaj7And (x32000@1)tell you that I'm not that strong.
        Am (x02210@1)       Cm'Cause (x3101x@1)I'm no superman, I hope you like me as I am.

G   Dadd4   Dmadd4   Cadd9
G   Dadd4   Dmadd4   Cadd9
G   Dadd4   Dmadd4   Cadd9

Chorus:

G (320003@1)                 Dadd4
If I could be your superman, 
    Dmadd4         Cadd9I'd (x32030@1)fly you to the stars and back again. 
G (320003@1)                  Dadd4
'cause every time you touched my hand, 
    Dmadd4         Cadd9 (x32030@1) 
You feel my powers running through your veins. 
G (320003@1)            Dadd4
But I can only write this song, 
    Dmadd4           Cmaj7And (x32000@1)tell you that I'm not that strong.
        Am (x02210@1)       Cm'Cause (x3101x@1)I'm no superman, I hope you like me as I am.