Heimdall vs Of gods and giants: Which Should You Read?

Both live on shelves: Norse Mythology

Heimdall

Heimdall Birger Pering · 1941 297 pages · ≈ 5 h 30 m · Challenging Find on Amazon

Of gods and giants

Of gods and giants Harald Hveberg · 1962 ★★★★☆ 3.7 79 pages · ≈ 1 h 28 m · Moderate Find on Amazon

The verdict

Of gods and giants is the quicker read — about 1 hours vs 5 for Heimdall.
Of gods and giants is the easier read (Moderate), Heimdall more demanding (Challenging).