Actually what this book is a catalog of "croaking".    From Wordnik.com.  [Archive 2006-07-01] Reference

Publicly investigate just how slowly you can make a "croaking" noise.    From Wordnik.com.  [Geekzone: IT, mobility, wireless and handheld news] Reference

Stop from your croaking, old carrion-crow there.    From Wordnik.com.  [Lysistrata] Reference

"Anywie, ye're surely no 'feart of a raven's croaking?".    From Wordnik.com.  [The McBrides A Romance of Arran] Reference

"Oh, stop croaking, Billee, and spill the beans!" begged Nort.    From Wordnik.com.  [The Boy Ranchers in Death Valley or Diamond X and the Poison Mystery] Reference

    Ronolo announced his decrees in his most clear croaking.    From Wordnik.com.  [Animal Park (Part II)] Reference

Arrived at the woods, the frog cried out, in its croaking voice.    From Wordnik.com.  [Jewish Fairy Tales and Legends] Reference

I listened hard until I heard a faint, unbirdlike, croaking sound.    From Wordnik.com.  [Hearing the Sweetest Songs] Reference

He looked over his shoulder at the sound of a persistent croaking.    From Wordnik.com.  [Men of Affairs] Reference

We stood to go, and I could hear the bones croaking under our feet.    From Wordnik.com.  [The Legs] Reference

"Commit no rash act of folly," said she, in a hoarse croaking voice.    From Wordnik.com.  [Eastern Tales by Many Story Tellers] Reference

During the night the water near us seemed alive with croaking frogs.    From Wordnik.com.  [Byeways in Palestine] Reference

Away off they could still hear Grandfather Frog croaking his warning.    From Wordnik.com.  [Sandman's Goodnight Stories] Reference

A.No. She could only say "caw, caw, caw," in a hoarse, croaking voice.    From Wordnik.com.  [Journeys Through Bookland, Vol. 10 The Guide] Reference

'Not been croaking, has he?' the millionaire asked with hidden anxiety.    From Wordnik.com.  [Sarah's School Friend] Reference

The rain had driven most of the frogs and other croaking creatures to cover.    From Wordnik.com.  [Nan Sherwood at Pine Camp or, the Old Lumberman's Secret] Reference

But he Was an inspiration when Chrysler was croaking, and it really mattered.    From Wordnik.com.  [The Hit Men] Reference

"Oh, cease such raven's croaking," says Molly, laying her hand upon his lips.    From Wordnik.com.  [Molly Bawn] Reference

Instead of sorrowing relatives, here will assemble clouds of croaking ravens.    From Wordnik.com.  [Lippincott's Magazine, Vol. 22, November, 1878 of Popular Literature and Science] Reference

It wore out Michael's patience as the sound of a croaking hum rattled his ears.    From Wordnik.com.  [The Impossible Man - Ep.4: The Chupacabra is Out There] Reference

If he heard the croaking he had better turn back, for an evil fate awaited him.    From Wordnik.com.  [Welsh Folk-Lore a Collection of the Folk-Tales and Legends of North Wales] Reference

They set up a screeching, and yelling, and croaking, that was lovely to listen to.    From Wordnik.com.  [Blackwood's Edinburgh Magazine, Volume 56, Number 347, September, 1844] Reference

On the fence post, not far away, sat a big black raven croaking gravely to himself.    From Wordnik.com.  [Stories of Birds] Reference

Brittany: wherein their harmony was like the croaking of frogs when they are in love.    From Wordnik.com.  [The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)] Reference

The sleeping jinn awoke again, but he did not like the croaking sound the sisters made.    From Wordnik.com.  [Jewish Fairy Tales and Legends] Reference

It's too sweet, "said he," and I prefer the cawing of crows and the croaking of ravens.    From Wordnik.com.  [The Cat in Grandfather's House] Reference

But it would be dreadful for him to meet with misfortunes, though he laughs at my croaking.    From Wordnik.com.  [The Continental Monthly , Vol. 2 No. 5, November 1862 Devoted to Literature and National Policy] Reference

He was no pessimist, croaking out doleful prophecies and lamentations and bitter criticisms.    From Wordnik.com.  [When the Holy Ghost is Come] Reference

Sometimes he would listen solemnly for several minutes and then laugh his harsh croaking laugh.    From Wordnik.com.  [Chicken Little Jane] Reference

In the wet-season evenings the croaking of frogs in the pools and swamps causes an incessant din.    From Wordnik.com.  [The Philippine Islands] Reference

The sedgy pools and ditches in the forest were noisy with the hoarse croaking of colonies of frogs.    From Wordnik.com.  [Sea-Dogs All! A Tale of Forest and Sea] Reference

 Ronolo and Sonolo gave the alarm by hopping in circles and croaking near the entrance to the park.    From Wordnik.com.  [Animal Park (Part I)] Reference

Carefully navigating their way around the trees, they heard the sound of birds chirping and frogs croaking in the morning.    From Wordnik.com.  [Arcana Magi - c.13: Along the Way] Reference

That mistake is why he's cutting interest rates so sharply, an economic cardiologist trying to keep his patient from croaking.    From Wordnik.com.  [A Pie In The Sky Policy] Reference

All these other fellows around here are croaking about the election and they're not going to have anything to sell these people.    From Wordnik.com.  [Tales of the Road] Reference

"I'm only worrying about losing my voice," says Clark, who for a time in November was reduced to croaking by various throat ailments.    From Wordnik.com.  [HUNTING AN 'UN-DEAN': THE GENERAL'S NEW STRIPES] Reference